Rat"-tail` (răt"tāl`), a.
Like a rat's tail in form; as, a rat-tail file, which is
round, slender, and tapering. See Illust. of
File.
Rat"-tail`, n. 1.
(Far.) pl. An excrescence growing from the pastern
to the middle of the shank of a horse.
2. (Zoöl.) (a) The
California chimæra. See Chimæra.
(b) Any fish of the genus Macrurus. See
Grenadier, 2.