TUE-IRONS
Tue"-i`rons, n. pl.

Defn: A pair of blacksmith's tongs.

TUESDAY
Tues"day, n. Etym: [OE. Tewesday, AS. Tiwes dæg the day of Tiw the
god of war; akin to OHG. Zio, Icel. T, L. Jupiter, Gr. Ziostac
Tuesday, G. Dienstag, Icel. T. See Deity, Day, and cf. Jovial.]

Defn: The third day of the week, following Monday and preceding
Wednesday.

TUET
Tu"et, n. (Zoöl.)

Defn: The lapwing. [Prov. Eng.]

TUFA Tu"fa, Etym: [It. fufo soft, sandy stone, L. tofus, tophus. Cf. Tofus, Toph, and Tophin.] (Min.) (a) A soft or porous stone formed by depositions from water, usually calcareous; — called also calcareous tufa. (b) A friable volcanic rock or conglomerate, formed of consolidated cinders, or scoria.

TUFACEOUS
Tu*fa"ceous, a. Etym: [Cf. It. tufaceo, L. tofaceus, tofacius. See
Tufa.] (Min.)

Defn: Pertaining to tufa; consisting of, or resembling, tufa.

TUFF
Tuff, n. (Min.)