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Meaning of coitus interruptus

co'itus in•ter•rup'tus

Pronunciation: (in"tu-rup'tus), [key]
— pl. coitus in•ter•rup•ti
  1. coitus that is intentionally interrupted by withdrawal before ejaculation of semen into the vagina.
  2. an act or instance of this.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.