4. A winding stairway. [Scot.] Sir W. Scott.

5. (Mil.) A beam filled with spikes to obstruct passage; a

cheval-de-frise. [R.]

Turnpike man, a man who collects tolls at a turnpike. — Turnpike road,

a road on which turnpikes, or tollgates, are established by law, in

order to collect from the users tolls to defray the cost of building,

repairing, etc.

Turn"pike` (?), v. t. [imp. & p. p. Turnpiked (?); p. pr. & vb. n.

Turnpiking.] To form, as a road, in the manner of a turnpike road; into

a rounded form, as the path of a road. Knowles.

Turn"plate` (?), n. A turntable.

Turn"-sick` (?), a. Giddy. [Obs.] Bacon.

Turn"-sick`, n. (For.) A disease with which sheep are sometimes

affected; gid; sturdy. See Gid.

Turn"sole` (?), n. [F. tournesol, It. tornasole; tornare to turn (LL.

tornare) + sole the sun, L. sol. See Turn, Solar, a., and cf.

Heliotrope.] [Written also turnsol.] 1. (Bot.) (a) A plant of the genus

Heliotropium; heliotrope; — so named because its flowers are supposed

to turn toward the sun. (b) The sunflower. (c) A kind of spurge

(Euphorbia Helioscopia). (d) The euphorbiaceous plant Chrozophora

tinctoria.

2. (Chem.) (a) Litmus. [Obs.] (b) A purple dye obtained from the plant

turnsole. See def. 1 (d).

Turn"spit` (?), n. 1. One who turns a spit; hence, a person engaged in

some menial office.

His lordship is his majesty's turnspit.

Burke.

2. (Zoöl.) A small breed of dogs having a long body and short crooked

legs. These dogs were formerly much used for turning a spit on which

meat was roasting.

Turn"stile` (?), n. 1. A revolving frame in a footpath, preventing the

passage of horses or cattle, but admitting that of persons; a turnpike.

See Turnpike, n., 1.

2. A similar arrangement for registering the number of persons passing

through a gateway, doorway, or the like.

Turn"stone` (?), n. (Zoöl.) Any species of limicoline birds of the

genera Strepsilas and Arenaria, allied to the plovers, especially the

common American and European species (Strepsilas interpres). They are

so called from their habit of turning up small stones in search of

mollusks and other aquatic animals. Called also brant bird, sand

runner, sea quail, sea lark, sparkback, and skirlcrake.

Black turnstone, the California turnstone (Arenaria melanocephala). The

adult in summer is mostly black, except some white streaks on the chest

and forehead, and two white loral spots.

Turn"ta`ble (?), n. A large revolving platform, for turning railroad

cars, locomotives, etc., in a different direction; — called also

turnplate.

||Tur"nus (?), n. [NL., fr. L. Turnus, the king of the Rutuli,

||mentioned in the Æneid.] (Zoöl.) A common, large, handsome, American

||swallowtail butterfly, now regarded as one of the forms of Papilio,

||or Jasoniades, glaucus. The wings are yellow, margined and barred

||with black, and with an orange-red spot near the posterior angle of

||the hind wings. Called also tiger swallowtail. See Illust. under

||Swallowtail.

||

||Turn"ve*rein` (?), n. [G., from turnen to exercise + verein a union.]

||A company or association of gymnasts and athletes.

||

Turn"wrest` (?), n. (a) Designating a cumbersome style of plow used in

England, esp. in Kent. (b) designating a kind of hillside plow. [Eng.]

Knight.

Tu*ro"ni*an (?), n. (Geol.) One of the subdivisions into which the

Upper Cretaceous formation of Europe is divided.

Tur"pen*tine, n. [F. térébentine, OF. also turbentine; cf. Pr.

terebentina, terbentina, It. terebentina, trementina; fr. L.

terebinthinus of the turpentine tree, from terebinthus the turpentine

tree. Gr. &?;, &?;. See Terebinth.] A semifluid or fluid oleoresin,

primarily the exudation of the terebinth, or turpentine, tree (Pistacia

Terebinthus), a native of the Mediterranean region. It is also obtained

from many coniferous trees, especially species of pine, larch, and fir.

There are many varieties of turpentine. Chian turpentine is produced in

small quantities by the turpentine tree (Pistacia Terebinthus). Venice,

Swiss, or larch turpentine, is obtained from Larix Europæa. It is a

clear, colorless balsam, having a tendency to solidify. Canada

turpentine, or Canada balsam, is the purest of all the pine turpentines

(see under Balsam). The Carpathian and Hungarian varieties are derived

from Pinus Cembra and Pinus Mugho. Carolina turpentine, the most

abundant kind, comes from the long-leaved pine (Pinus palustris).

Strasburg turpentine is from the silver fir (Abies pectinata).

Oil of turpentine (Chem.), a colorless oily hydrocarbon, C10H16, of a

pleasant aromatic odor, obtained by the distillation of crude

turpentine. It is used in making varnishes, in medicine, etc. It is the

type of the terpenes and is related to cymene. Called also

terebenthene, terpene, etc. — Turpentine moth (Zoöl.), any one of

several species of small tortricid moths whose larvæ eat the tender

shoots of pine and fir trees, causing an exudation of pitch or resin. —

Turpentine tree (Bot.), the terebinth tree, the original source of

turpentine. See Turpentine, above.

Tur"peth (?), n. [NL. turpethum, fr. Per. tirbid a cathartic, turbad a

purgative root. Cf. Turbith.] [Written also turbeth, and turbith.] 1.

(Bot.) The root of Ipomœa Turpethum, a plant of Ceylon, Malabar, and

Australia, formerly used in medicine as a purgative; — sometimes called

vegetable turpeth.

2. (Chem.) A heavy yellow powder, Hg3O2SO4, which consists of a basic

mercuric sulphate; — called also turpeth mineral.

The Gutenberg Webster's Unabridged Dictionary: Section T, U, V, and W · 第 1309 / 3573 题