outboard Meaning, Definition & Usage

  1. noun a motorboat with an outboard motor
    outboard motorboat.
  2. noun internal-combustion engine that mounts at stern of small boat
    outboard motor.
  3. adjective located away from the midline of a vessel or aircraft
    • the outboard section of a wing
    • outboard rigging

WordNet

Out"board` adjective & adverb
Definitions
  1. (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 inboard; as, outboard rigging; swing the davits outboard.

Webster 1913