small ovoid fruit of the European olive tree; important food and source of oil. olive oil - oil from olives. European olive tree, Olea europaea, olive - evergreen tree cultivated in the Mediterranean region since antiquity and now elsewhere; has edible shiny black fruits.
The olive is traditionally grown in areas having a Mediterranean type of climate to which it is ideally adapted. Such regions are typified by relatively cool winters where frost seldom occurs, hot dry summers and an average annual rainfall of around 800 mm. The olive will also thrive under irrigation in drier areas.
subtropical broad-leaved evergreen tree and its edible fruit (family Oleaceae). ... Olive oil was prized for anointing the body in Greece during the time of Homer, and it was an important crop of the Romans about 600 bce. Later, olive growing spread to all the countries bordering the Mediterranean.