[医] 鞭毛(原虫), 鞭节(昆虫)

Flagellum \Fla*gel"lum\, n.; pl. E. {Flagellums}, L. {Flagella}.
[L., a whip. See {Flagellate}, v. t.]
1. (Bot.) A young, flexible shoot of a plant; esp., the long
trailing branch of a vine, or a slender branch in certain
mosses.

2. (Zo["o]l.)
(a) A long, whiplike cilium. See {Flagellata}.
(b) An appendage of the reproductive apparatus of the
snail.
(c) A lashlike appendage of a crustacean, esp. the
terminal ortion of the antenn[ae] and the epipodite of
the maxilipeds. See {Maxilliped}.