Pronunciation: ( ˌ )si- ' na-p ə - ˌ mo ̇ r-f ē
Function: noun
Inflected Form: plural -phies
Etymology: International Scientific Vocabulary syn- + apomorphy derived evolutionary trait or feature (fr. apo- + -morphy )
Date: 1965
: a character or trait that is shared by two or more taxonomic groups and is derived through evolution from a common ancestral form