Vagina

: the tubular structure formed by the union of the oviducts in the female, opening externally to admit the pa age of the egg to the ovipositor: receives the penis of the male in copulation and is sometimes called oviduct: "every part, the office of which is to cover, protect or defend the tongue": "the bivalve coriaceous sheath or cover of the spicula": generally, a sheath.