Cen*tu"ri*ate (?), v. t. [See century.] To divide into hundreds. [Obs.]

{ Cen*tu"ri*a`tor (?), Cen"tu*rist (?), } n. [Cf. F. centuriateur.] An historian who distinguishes time by centuries, esp. one of those who wrote the "Magdeburg Centuries." See under Century. [R.]

Cen*tu"ri*on (?), n. [L. centurio, fr. centuria; cf. F. centurion. See Century.] (Rom. Hist.) A military officer who commanded a minor division of the Roman army; a captain of a century.

A centurion of the hand called the Italian band.

Acts x. 1.

Cen"tu*ry (?), n.; pl. Centuries (#). [L. centuria (in senses 1 & 3), fr. centum a hundred: cf. F. centurie. See Cent.] 1. A hundred; as, a century of sonnets; an aggregate of a hundred things. [Archaic.]

And on it said a century of prayers.

Shak.

2. A period of a hundred years; as, this event took place over two centuries ago.

&fist; Century, in the reckoning of time, although often used in a general way of any series of hundred consecutive years (as, a century of temperance work), usually signifies a division of the Christian era, consisting of a period of one hundred years ending with the hundredth year from which it is named; as, the first century (a. d. 1-100 inclusive); the seventh century (a.d. 601- 700); the eighteenth century (a.d. 1701- 1800). With words or phrases connecting it with some other system of chronology it is used of similar division of those eras; as, the first century of Rome (A.U.C. 1-100).

3. (Rom. Antiq.) (a) A division of the Roman people formed according to their property, for the purpose of voting for civil officers. (b) One of sixty companies into which a legion of the army was divided. It was Commanded by a centurion.

Century plant (Bot.), the Agave Americana, formerly supposed to flower but once in a century; -- hence the name. See Agave. -- The Magdeburg Centuries, an ecclesiastical history of the first thirteen centuries, arranged in thirteen volumes, compiled in the 16th century by Protestant scholars at Magdeburg.

Ce*pev"o*rous (?), a. [L. cepa an onion + varare to devour.] Feeding upon onions. [R.] Sterling.

Ceph"a*lad (?), adv. [Gr. kefalh` head + L. ad toward.] (Zo÷l.) Forwards; towards the head or anterior extremity of the body; opposed to caudad.

{ ||Ceph`a*lal"gi*a (?), Ceph"a*lal`gy (?), } n. [L. cephalalgia, Gr. &?;; &?; + &?; pain: cf. F. cÚphalalgie.] (Med.) Pain in the head; headache.

Ceph`a*lal"gic (?), a. [L. cephalalgicus, Gr. &?;.] (Med.) Relating to, or affected with, headache. -- n. A remedy for the headache.

||Ceph`a*lan"thi*um (?), n. [NL., fr. Gr. &?; + &?; flower.] (Bot.) Same as Anthodium.

||Ceph`a*las"pis (?), n. [NL., fr. Gr. kefalh` head + &?; a shield.] (Paleon.) A genus of fossil ganoid fishes found in the old red sandstone or Devonian formation. The head is large, and protected by a broad shield-shaped helmet prolonged behind into two lateral points.

||Ceph`a*la"ta (?), n. pl. [NL., fr. Gr. kefalh` head.] (Zo÷l.) A large division of Mollusca, including all except the bivalves; -- so called because the head is distinctly developed. See Illustration in Appendix.

Ceph"a*late (?), a. (Zo÷l.) Having a head.

Ce*phal"ic (?), a. [L. cephalicus, Gr. &?;, fr. kefalh` head: cf. F. cÚphalique.] (Anat.) Of or pertaining to the head. See the Note under Anterior.

Cephalic index (Anat.), the ratio of the breadth of the cranium to the length, which is taken as the standard, and equal to 100; the breadth index. -- Cephalic vein, a large vein running from the back of the head alond the arm; -- so named because the ancients used to open it for disorders of the head. Dunglison.

Ce*pha"lic, n. A medicine for headache, or other disorder in the head.

||Ceph`a*li"tis (?), n. [NL., fr. Gr. kefalh` head + -itis.] (Med.) Same as Phrenitis.

Ceph`a*li*za"tion (?), n. Domination of the head in animal life as expressed in the physical structure; localization of important organs or parts in or near the head, in animal development. Dana.

Ceph"a*lo- (?). [Gr. kefalh` head.] A combining form denoting the head, of the head, connected with the head; as, cephalosome, cephalopod.

Ceph`a*lo*cer"cal (?), a. [Cephalo- + Gr. &?; tail.] (Zo÷l.) Relating to the long axis of the body.

Ceph"a*loid (?), a. [Cephalo- + -oid.] Shaped like the head. Craing.

Ceph`a*lol"o*gy (?), n. [Cephalo- + -logy.] The science which treats of the head.

Ceph"a*lo*mere (?), n. [Cephalo- + -mere.] (Zo÷l.) One of the somites (arthromeres) which make up the head of arthropods. Packard.

Ceph`a*lom"e*ter (?), n. [Cephalo- + -meter.] (Med.) An instrument measuring the dimensions of the head of a fetus during delivery.

||Ceph"a*lon (?), n. (Zo÷l.) The head.

||Ceph`a*loph"o*ra (?), n. pl. [NL., fr. Gr. kefalh` head + &?; to bear.] (Zo÷l.) The cephalata.

{ Ceph"a*lo*pod (?), Ceph"a*lo*pode (?) }, n. (Zo÷l.) One of the Cephalopoda.

||Ceph`a*lop"o*da (?), n. pl. [NL., gr. Gr. kefalh` head + -poda: cf. F. cÚphalopode.] (Zo÷l.) The highest class of Mollusca.

&fist; They have, around the front of the head, a group of elongated muscular arms, which are usually furnished with prehensile suckers or hooks. The head is highly developed, with large, well organized eyes and ears, and usually with a cartilaginous brain case. The higher forms, as the cuttlefishes, squids, and octopi, swim rapidly by ejecting a jet of water from the tubular siphon beneath the head. They have a pair of powerful horny jaws shaped like a parrot's beak, and a bag of inklike fluid which they can eject from the siphon, thus clouding the water in order to escape from their enemies. They are divided into two orders, the Dibranchiata, having two gills and eight or ten sucker-bearing arms, and the Tetrabranchiata, with four gills and numerous arms without suckers. The latter are all extinct except the Nautilus. See Octopus, Squid, Nautilus.

{ Ceph`a*lo*pod"ic (?), Ceph`a*lop"o*dous (?), } a. (Zo÷l.) Belonging to, or resembling, the cephalopods.

||Ceph`a*lop"te*ra (?), n. [NL., fr. Gr. kefalh` head + &?; wing.] (Zo÷l.) One of the generic names of the gigantic ray (Manta birostris), known as devilfish and sea devil. It is common on the coasts of South Carolina, Florida, and farther south. Some of them grow to enormous size, becoming twenty feet of more across the body, and weighing more than a ton.

Ceph"a*lo*some (?), n. [Cephalo- + -some body.] (Zo÷l.) The anterior region or head of insects and other arthropods. Packard.

Ceph"a*lo*style (?), n. [Cephalo- + Gr. &?; a pillar.] (Anat.) The anterior end of the notochord and its bony sheath in the base of cartilaginous crania.

Ceph`a*lo*tho"rax (?), n. [Cephalo- + thorax.] (Zo÷l.) The anterior portion of any one of the Arachnida and higher Crustacea, consisting of the united head and thorax.

Ceph"a*lo*tome (?), n. [Cephalo- + Gr. &?; to cut.] (Med.) An instrument for cutting into the fetal head, to facilitate delivery.

Ceph`a*lot"o*my (?), n. 1. Dissection or opening of the head.

2. (Med.) Craniotomy; -- usually applied to bisection of the fetal head with a saw.

Ceph"a*lo*tribe (?), n. [Cephalo- + Gr. to rub, grind.] An obstetrical instrument for performing cephalotripsy.

Ceph"a*lo*trip`sy (?), n. [See Cephalotribe.] (Med.) The act or operation of crushing the head of a fetus in the womb in order to effect delivery.

||Ceph`a*lot"ro*cha (?), n. [NL., fr. Gr. kefalh` head + &?; wheel.] (Zo÷l.) A kind of annelid larva with a circle of cilia around the head.

Ceph"a*lous (?), a. [Gr. kefalh` head.] (Zo÷l.) Having a head; -- applied chiefly to the Cephalata, a division of mollusks.

Ce"pheus (?), n. (Astron.) A northern constellation near the pole. Its head, which is in the Milky Way, is marked by a triangle formed by three stars of the fourth magnitude. See Cassiopeia.

Ce*ra"ceous (?), a. [L. cera wax.] Having the texture and color of new wax; like wax; waxy.

Ce*ra"go (?), n. [L. cera wax.] Beebread.

Ce*ram"ic (?), a. [Gr. &?;, fr. &?; earthenware. Cf. Keramic.] Of or pertaining to pottery; relating to the art of making earthenware; as, ceramic products; ceramic ornaments for ceilings.

Ce*ram"ics (?), n. [See Ceramic.] 1. The art of making things of baked clay; as pottery, tiles, etc.

2. pl. Work formed of clay in whole or in part, and baked; as, vases, urns, etc. Knight.

Ce*rar"gy*rite (s&esl;*rńr"j&ybreve;*rīt), n. [Gr. ke`ras horn + 'a`rgyros silver.] (Min.) Native silver chloride, a mineral of a white to pale yellow or gray color, darkening on exposure to the light. It may be cut by a knife, like lead or horn (hence called horn silver).

Cer"a*sin (?), n. (Chem.) A white amorphous substance, the insoluble part of cherry gum; -- called also meta-arabinic acid.

2. (Chem.) A gummy mucilaginous substance; -- called also bassorin, tragacanthin, etc.

Ce*ras"i*nous (?), a. 1. Pertaining to, or containing, cerasin.

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