Homologue
Pronunciation : Hom"o*logue
Part of Speech : n.
Etymology : [Cf. F. homologue. See Homologous.]
Definition : Defn: That which is homologous to something else; as, the corresponding sides, etc., of similar polygons are the homologues of each other; the members or terms of an homologous series in chemistry are the homologues of each other; one of the bones in the hand of man is the homologue of that in the paddle of a whale.
Source : Webster's Unabridged Dictionary, 1913