detritivorePronunciation: /dɪˈtrɪtɪvɔː/Definition of detritivore noun Zoology an animal which feeds on dead organic material, especially plant detritus. Derivatives detritivorousPronunciation: /ˌdɛtrɪˈtɪv(ə)rəs/ adjective Origin: 1960s: from detritus + -vore 'eating' (see -vorous)detritivore in other Oxford dictionaries Definition of detritivore in the US English dictionary