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
Fruit. For illustration, see Plate of Drupes.