radicle Meaning, Definition & Usage

  1. noun (anatomy) a small structure resembling a rootlet (such as a fibril of a nerve)

WordNet

Rad"i*cle noun
Etymology
L. radicula, dim. of radix, -icis, root: cf. F. radicule. See Radix.
Definitions
  1. (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.

Webster 1913