olive: one-seeded fruit of the European olive tree usually pickled and used as a relish
drupe: fleshy indehiscent fruit with a single seed: e.g. almond; peach; plum; cherry; elderberry; olive; jujube
metatarsus: the skeleton of the human foot between the toes and the tarsus; the corresponding part of the foot in birds or of the hind foot in quadrupeds