6. The act process of mastering; the state of having mastered.

He could attain to a mastery in all languages.

Tillotson.

The learning and mastery of a tongue, being unpleasant in itself,

should not be cumbered with other difficulties.

Locke.

Mast"ful (?), a. [See lst Mast.] Abounding in mast; producing mast in

abundance; as, the mastful forest; a mastful chestnut. Dryden.

Mast"head` (?), n. (Naut.) The top or head of a mast; the part of a

mast above the hounds.

Mast"head", v. t. (Naut.) To cause to go to the masthead as a

punishment. Marryat.

Mast"house` (?), n. A building in which vessels' masts are shaped,

fitted, etc.

Mas"tic (?), n. [F., fr. L. mastiche, mastichum, Gr. &?;, fr. &?; to

chew, because of its being used in the East for chewing.] [Written also

mastich.]

1. (Bot.) A low shrubby tree of the genus Pistacia (P. Lentiscus),

growing upon the islands and coasts of the Mediterranean, and producing

a valuable resin; -- called also, mastic tree.

2. A resin exuding from the mastic tree, and obtained by incision. The

best is in yellowish white, semitransparent tears, of a faint smell,

and is used as an astringent and an aromatic, also as an ingredient in

varnishes.

3. A kind of cement composed of burnt clay, litharge, and linseed oil,

used for plastering walls, etc.

Barbary mastic (Bot.), the Pistachia Atlantica. -- Peruvian mastic tree

(Bot.), a small tree (Schinus Molle) with peppery red berries; --

called also pepper tree. -- West Indian mastic (Bot.), a lofty tree

(Bursera gummifera) full of gum resin in every part.

Mas"ti*ca*ble (?), a. Capable of being masticated.

Mas`ti*ca"dor (?), n. [Cf. Sp. mastigador. See Masticate.] (Man.) A

part of a bridle, the slavering bit. [Written also mastigador.]

Mas"ti*cate (?), v. t. [imp. & p. p. Masticated (?); p. pr. & vb. n.

Masticating (?).] [L. masticatus, p. p. of masticare to chew, prob. fr.

mastiche mastic. See Mastic.] To grind or crush with, or as with, the

teeth and prepare for swallowing and digestion; to chew; as, to

masticate food.

Mas"ti*ca`ter (?), n. One who masticates.

Mas`ti*ca"tion (?), n. [L. masticatio: cf. F. mastication.] The act or

operation of masticating; chewing, as of food.

Mastication is a necessary preparation of solid aliment, without

which there can be no good digestion.

Arbuthnot.

Mas"ti*ca`tor (?), n. 1. One who masticates.

2. A machine for cutting meat into fine pieces for toothless people;

also, a machine for cutting leather, India rubber, or similar tough

substances, into fine pieces, in some processes of manufacture.

Mas"ti*ca*to*ry (?), a. [Cf. F. masticatoire.] Chewing; adapted to

perform the office of chewing food.

Mas"ti*ca*to*ry, n.; pl. -ries (&?;). (Med.) A substance to be chewed

to increase the saliva. Bacon.

Mas"tich (?), n. See Mastic.

Mas"ti*cin (?), n. (Chem.) A white, amorphous, tenacious substance

resembling caoutchouc, and obtained as an insoluble residue of mastic.

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