a person who directs or assists in the navigation of a ship; sailor.
2.
(initial capital letter) Aerospace.one of a series of U.S. space probes that obtained scientific information while flying by or orbiting around the planets Mars, Mercury, and Venus.
Origin: 1250–1300;Middle English < Anglo-French;Old Frenchmarinier. See marine, -er2
any of a series of US space probes launched between 1962 and 1971 that sent back photographs and information concerning the surface of Mars and Venus and also studied interplanetary matter