(Greek: shell; husk; cup [of a flower], used primarily in the specialized senses of "pertaining to or of a cup-shaped bodily organ or cavity"; also a reference to the "cup-shaped ring of sepals encasing a flower bud")

(Greek: sheath, husk)

(Greek: spiny, prickly; sea urchin; hedgehog; [spiny] seed husk)

(Latin: originally, "sheath, scabbard, the husk of grain"; in medical science, the vagina or lowest part of the female genital tract, the canal that leads from the vulva to the uterus)