Radicle
Pronunciation : Rad"i*cle
Part of Speech : n.
Etymology : [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
Source : Webster's Unabridged Dictionary, 1913