Vagina
Pronunciation : Va*gi"na
Part of Speech : n.;
Etymology : [L. vagina a scabbard or sheath.]
Definition : 1. (Anat.) (a) A sheath; a theca; as, the vagina of the portal vein. (b) Specifically, the canal which leads from the uterus to the external orifice if the genital canal, or to the cloaca.
2. (Zo?l.)
Defn: The terminal part of the oviduct in insects and various other invertebrates. See Illust., of Spermatheca.
3. (Bot.)
Defn: The basal expansion of certain leaves, which inwraps the stem; a sheath.
4. (Arch.)
Defn: The shaft of a terminus, from which the bust of figure seems to issue or arise.
pl. Vagin
Source : Webster's Unabridged Dictionary, 1913