Rad"i*cle (răd"ĭ*k'l), n.
[L. radicula, dim. of radix, -icis, root: cf. F.
radicule. See Radix.] (Bot.) (a)
The rudimentary stem of a plant which supports the cotyledons in
the seed, and from which the root is developed downward; the stem of
the embryo; the caulicle. (b) A rootlet; a
radicel.