[hom.onym] n [L homonymum, fr. Gk homonymon, fr. neut. of homonymos] (1697) 1 a: homophone b: homograph c: one of two or more words spelled and pronounced alike but different in meaning (as the noun quail and the verb quail)
2: namesake
3: a taxonomic designation rejected as invalid because the identical term has been used to designate another group of the same rank--compare synonym -- hom.onym.ic adj