[out.board] adj (ca. 1823) 1: situated outboard
2: having, using, or limited to the use of an outboard motor
[2]outboard adv (ca. 1848) 1: outside a ship's bulwarks: in a lateral direction from the hull
2: in a position closer or closest to either of the wingtips of an airplane or to the sides of an automobile [3]outboard n (1935) 1: outboard motor
2: a boat with an outboard motor