noun🔗ShareEndospermoTissue surrounding the embryo of flowering plant seeds, that provides nutrition to the developing embryo; usually triploid"The endosperm of the sunflower seed provides nourishment for the tiny seedling as it grows. "El endospermo de la semilla de girasol proporciona alimento a la pequeña plántula a medida que crece.biologyplantseedagricultureChat with AIVocabulary GamePractice Reading