fel·late \ˈfelˌāt, fəˈlāt, usually -ād.ˌV\verb (-ed/-ing/-s-s) Etymology: Latin fellatus, past participle of fellare to suck — more at fellatio transitive verb : to perform fellatio on intransitive verb : to fellate someone • fel·la·tor\ˈfelˌād.ə(r), fəˈlā-\noun