outboard

from WordNet (r) 3.0 (2006)

outboard
    adj 1: located away from the midline of a vessel or aircraft;
           "the outboard section of a wing"; "outboard rigging"
           [ant: {inboard}]
    n 1: a motorboat with an outboard motor [syn: {outboard
         motorboat}, {outboard}]
    2: internal-combustion engine that mounts at stern of small boat
       [syn: {outboard motor}, {outboard}]

from The Collaborative International Dictionary of English v.0.48

Outboard \Out"board`\, 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 {inboard}; as, outboard rigging; swing the davits
   outboard.
   [1913 Webster]

[email protected]