Defn: See Mastic.

MASTICIN
Mas"ti*cin, n. (Chem.)

Defn: A white, amorphous, tenacious substance resembling caoutchouc, and obtained as an insoluble residue of mastic.

MASTICOT
Mas"ti*cot, n. (Chem.)

Defn: Massicot. [Obs.]

MASTIFF Mas"tiff, n.; pl. Mastiffs (. [Mastives is irregular and unusual.] Etym: [Prob. fr. Prov. E. masty, adj., large, n., a great dog, prob. fr. mast fruit, and hence, lit., fattened with mast. There is perh. confusion with OF. mestif mongrel; cf. also F. mâtin mastiff, OF. mastin.] (Zoöl.)

Defn: A breed of large dogs noted for strength and courage. There are various strains, differing in form and color, and characteristic of different countries. Mastiff bat (Zoöl.) , any bat of the genus Molossus; so called because the face somewhat resembles that of a mastiff.

MASTIGOPOD
Mas"ti*go*pod, n. (Zoöl.)

Defn: One of the Mastigopoda.

MASTIGOPODA
Mas`ti*gop"o*da, n. pl. Etym: [NL., fr. Gr. (Zoöl.)