Meaning of homoplasy

ho•mop•la•sy

Pronunciation: (hu-mop'lu-sē, hō'mu-plas"ē, -plā"sē, hom'u-), [key]
— n. Biol.
  1. correspondence in form or structure, owing to a similar environment.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.