- the lower part of the axis of an embryo; the primary root.
- a rudimentary root; radicel or rootlet.
Examples from the Web for radicle
Plantule and radicle are ambitious words, my dear brother; recollect that you are speaking to simple mortals.
It springs from a thick horizontal cylindric process, which has also shot down a radicle into the soil.Omphalos|Philip Henry Gosse
Radicle hardly any; cotyledons thick and fleshy, enclosing a well-developed plumule.
At first the radicle or root would begin by growing upwards, and the plantule or germ would descend.
Cotyledons remaining underground in germination; radicle very short, included.
British Dictionary definitions for radicle
- part of the embryo of seed-bearing plants that develops into the main root
- a very small root or rootlike part