/ Dictionary / Index A afterbirth: Meaning and Definition of Find definitions for: af•ter•birth Pronunciation: (af'tur-bûrth", äf'-), [key] — n. the placenta and fetal membranes expelled from the uterus after childbirth. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: afterbirth (Thesaurus) afterbeat afterbody Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language