- a word pronounced the same as another but differing in meaning, whether spelled the same way or not, as heir and air; a homophone (def. 1).
- a word that is both a homophone and a homograph, that is, exactly the same as another in sound and spelling but different in meaning, as chase “to pursue” and chase “to ornament metal.”
- (loosely) a word of the same written form as another but of different meaning and usually origin, whether pronounced the same way or not, as bear “to carry; support” and bear “animal” or lead “to conduct” and lead “metal;” a homograph.
- a namesake.
- a name given to a species or genus that has already been assigned to a different species or genus and that is therefore rejected.
- one of a group of words pronounced or spelt in the same way but having different meanings
- a person with the same name as another
- a name for a species or genus that should be unique but has been used for two or more different organisms