Rat-tail
Rat-tail (rat"tāl`) , adjective
Like a rat's tail in form; as, a rat-tail file, which is round, slender, and tapering. See Illust. of File.
Rat-tail , noun
1.
(Farriery) An excrescence growing from the pastern to the middle of the shank of a horse.
2.
(a) (Zoology) The California chimaera. See Chimaera.
(b)
(Zoology) Any fish of the genus Macrurus. See Grenadier, 2.