Meaning of aplacental

a•pla•cen•tal

Pronunciation: (ā"plu-sen'tl, ap"lu-), [key]
— adj. Zool.
  1. having or forming no placenta, as the marsupials and monotremes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: