saprotroph Syllabification: (sap·ro·troph)Pronunciation: /ˈsaprəˌtrōf, -ˌträf/Definition of saprotroph noun Biology an organism that feeds on or derives nourishment from decaying organic matter. Derivatives saprotrophicPronunciation: /ˌsaprəˈtrōfik, -ˈträfik/ adjective Origin:back-formation from saprotrophicsaprotroph in other Oxford dictionaries Definition of saprotroph in the British & World English dictionary