‖n. [ L. an olive. ] (Zool.) A genus of polished marine gastropod shells, chiefly tropical, and often beautifully colored. [ 1913 Webster ]

a. [ L. oliva olive. ] Resembling the olive; of the color of the olive; olive-green. [ 1913 Webster ]

a. [ L. olivarius belonging to olives, fr. oliva an olive: cf. F. olivaire. ] (Anat.) Like an olive. [ 1913 Webster ]

Olivary body (Anat.), an oval prominence on each side of the medulla oblongata; -- called also olive. [ 1913 Webster ]

a. [ L. oliva olive: cf. F. olivâtre. ] Of the color of the olive; tawny. Sir T. Herbert. [ 1913 Webster ]