- The definition of homoplasy is characteristics of an organ that are shared by different species because of shared evolution.
An example of homoplasy is when the organs of two different species of animals have similar characteristics, functions and features.
Biol. correspondence between parts as a result of similarity of environment rather than common heredity
Origin of homoplasyhomo- + -plasy
Correspondence between parts or organs arising from evolutionary convergence.
(countable and uncountable, plural homoplasies)