Definition of "Olive" :

noun: a yellow-green color of low brightness and saturation

noun: one-seeded fruit of the European olive tree usually pickled and used as a relish

noun: hard yellow often variegated wood of an olive tree; used in cabinetwork

noun: evergreen tree cultivated in the Mediterranean region since antiquity and now elsewhere; has edible shiny black fruits

noun: small ovoid fruit of the European olive tree; important food and source of oil

adjective: of a yellow-green color similar to that of an unripe olive