1. [ adjective ] (biology) having the same evolutionary origin but serving different functions

"the wing of a bat and the arm of a man are homologous"

Related terms: analogous heterologous biology homologic
2. [ adjective ] corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species

"a homologous tissue graft"

Related terms: autologous heterologous
Similar spelling:   homologise