OmoticPronunciation: /əʊˈmɒtɪk/Definition of Omotic noun [mass noun] a subfamily of Afro-Asiatic languages spoken in Ethiopia, with over thirty members, all having comparatively few speakers. adjective denoting or belonging to Omotic. Origin: 1970s: from Omo, the name of a river in SW Ethiopia, + -oticOmotic in other Oxford dictionaries Definition of Omotic in the US English dictionary