Follicle

·noun A simple gland or glandular cavity; a crypt.

II. Follicle ·noun A small mass of adenoid tissue; as, a lymphatic follicle.

III. Follicle ·noun A small cavity, tubular depression, or sac; as, a hair follicle.

IV. Follicle ·noun A simple podlike pericarp which contains several seeds and opens along the inner or ventral suture, as in the peony, larkspur and milkweed.