vagina

Etymology

Learned borrowing from Latin vāgīna (“a sheath, scabbard; a covering, sheath, holder”).

noun

1. (anatomy) The passage leading from the opening of the vulva to the cervix of the uterus for copulation and childbirth in female mammals.
   The epithelial lining of the vagina consists of many layers of flattened cells. Changes in the condition of these cells during the menstrual cycle can be detected by swabbing the lining and looking at the cells under a microscope. 1991, Richard Evan Jones, Human Reproductive Biology, page 61
   1. (zootomy) A similar part in some invertebrates.
2. (botany) A sheathlike structure, such as the leaf of a grass that surrounds a stem.
3. (colloquial) The vulva, or the vulva and the vaginal passage collectively.
   For quotations using this term, see Citations:vagina.
4. (derogatory, colloquial) A coward; a weakling; a pussy.
   Don't you interrupt me, you vagina! I was givin' a heart-wrenchin' soliloquy about me feelin's for Tugger! 2002, "The New Terrance And Phillip Movie Trailer" (South Park TV episode)