esterconounmasculine/iʃˈtɛɾku/mediumes·ter·coPortuguesEnglishEspanolFrancaisDefinitionAnimal excrement, especially from livestock, used as agricultural fertilizer.The farmer spread esterco on the field to enrich the soil.The strong smell of esterco permeated the air on the farm.synmanuredungdroppingsEtymologyDo latim 'stercus, stercŏris'.Related wordsesterqueiraestercarestercado