1.Anatomya. A small bodily cavity or sac. b. A crypt or minute cul-de-sac or lacuna, such as the depression in the skin from which the hair emerges. c. An ovarian follicle. d. A spherical mass of cells usually containing a cavity. 2.Botany A dry, single-chambered fruit that splits along only one seam to release its seeds, as in larkspur and milkweed.
ETYMOLOGY:
Latin folliculus, little bag, diminutive of follis, bellows. See bhel-2 in Appendix I.