olive -
A component of a plumbing compression joint; a ring which is placed between the nut and the pipe and compressed during fastening to provide a seal.
The Olive, Olea europaea, is a species of a small tree in the family Oleaceae, native to the coastal areas of the eastern Mediterranean Basin (the adjoining coastal areas of southeastern Europe, western Asia and northern Africa) as well as northern Iran at the south end of the Caspian Sea. Its fruit, also called the olive, is of major agricultural importance in the Mediterranean region as the source of olive oil. The tree and its fruit give its name to the plant family, which also includes species such as lilacs, jasmine, Forsythia and the true ash trees.
OmegaWiki Dictionary
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olive The small oval fruit of the olive tree, Olea europaea.
olive Having the color of a ripe olive, a dark brownish or yellowish green.
olive The color or a ripe olive, a dark brownish or yellowish green.
olive A tree of the genus Olea cultivated for its fruit.