| outboard | (adj) located away from the midline of a vessel or aircraft, Ant. inboard, Example: the outboard section of a wing; outboard rigging |
| outboard motor | (n) internal-combustion engine that mounts at stern of small boat, Syn. outboard |
| outboard motorboat | (n) a motorboat with an outboard motor, Syn. outboard |
| Outboard | a. & adv. (Naut.) Beyond or outside of the lines of a vessel's bulwarks or hull; in a direction from the hull or from the keel; -- opposed to |