|a. & adv.||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 |
|Noun||1.||outboard - a motorboat with an outboard motor|
Synonyms: outboard motorboat
|2.||outboard - internal-combustion engine that mounts at stern of small boat|
Synonyms: outboard motor
|Adj.||1.||outboard - located away from the midline of a vessel or aircraft; "the outboard section of a wing"; "outboard rigging"|
inboard - located within the hull or nearest the midline of a vessel or aircraft; "the inboard flaps on the wing"