| 1. | located on the exterior of a hull or aircraft. |
| 2. | located farther from the center, as of an aircraft: the outboard end of a wing. |
| 3. | (of a motorboat) having an outboard motor. |
| 4. | outside or away from the center of a hull, aircraft, machine, etc.: The sail swung outboard. Compare inboard. |
| 5. | an outboard motor. |
| 6. | a boat equipped with an outboard motor. |