Fōl'li-cle, n.

noun

(fōl'li-kl), n. [Fr. follicule, Lat. folliculus, a small bag, husk, pod, diminutive of follis, originally a leathern sack, hence a pair of bellows, a wind-ball, a leathern money-bag.]

Sense 1. (Bot.) (a.) A simple pod opening down the inner suture; a univalvular pericarp. Gray. (b.) A vessel distended with air; an air-bag, as at the root in Utricularia, and on the leaves in Aldrovanda. Martyn.

Sense 2. (Anat.) A little bag in animal bodies; a gland; a folding; a cavity. Coxe.

A cutaway view of a follicle showing its interior structure.
Follicle. (1, a.)