What does "vagina" mean?

Vagina: (Zoöl.) The terminal part of the oviduct in insects and various other invertebrates. See Illust., of Spermatheca.

Additional senses

  1. 2.(Bot.) The basal expansion of certain leaves, which inwraps the stem; a sheath.
  2. 3.(Arch.) The shaft of a terminus, from which the bust of figure seems to issue or arise.

Sources