The New International Encyclopædia/Drupe

DRUPE ( Fr., from Lat. drupa, Gk. δρύππα, dryppa, overripe olive, from δρυπεπής, drypepēs, ripened on the tree, from δρῦς, drys, tree + πέπτειν, peptein, to cook, or δρυπετής, drypetēs, fallen from the tree, from δρῦς, drys, tree + πιπτειν, piptein, to fall). A stone-fruit, in which the ovary wall, in forming the pericarp, develops an outer fleshy layer and an inner stony or bony

layer, as in the peach, plum, cherry, etc. See . For illustration, see Plate of.