[mar-uh-ner] 
| 1. | 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. |
| mar·i·ner (mār'ə-nər) n. One who navigates or assists in navigating a ship. [Middle English, from Old French marinier, from marin, marine; see marine.] |