Organism Function
coitus Audio
co·i·tus [ koh-i-tuhs ]
Subclass of:
Sex Behavior; Reproduction
Etymology:
Latin coire = to go together (from co = together + ire (itus) = to go)
Definitions related to coitus:
  • The sexual union of a male and a female, a term used for human only.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (sexual intercourse) A sexual act where a man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur.
    NCI
    U.S. National Cancer Institute, 2021
  • Sexual intercourse, reproductive act in which the male reproductive organ (in humans and other higher animals) enters the female reproductive tract. If the reproductive act is complete, sperm cells are passed from the male body into the female, in the process fertilizing the female's egg and...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
Try this search on: Farlex, Merriam-Webster, Oxford Dictionary, or Wordnik

This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.