adj. 1. rigged with a structure projecting from or over the side of a boat for various purposes; having an outrigger; -- to prevent capsizing or to support an oarlock or to help secure a mast etc. See outrigger [ WordNet 1.5 ]

n. 1. Any spar or projecting timber run out for temporary use, as from a ship's mast, to hold a rope or a sail extended, or from a building, to support hoisting teckle. [ 1913 Webster ]

2. (Naut.) (a) A projecting support for a rowlock, extended from the side of a boat. (b) A boat thus equipped. (c) A projecting contrivance at the side of a boat to prevent upsetting, as projecting spars with a log at the end; also used attributively, as an outrigger canoe. [ 1913 Webster +PJC ]

3. (Aeronautics) A projecting frame used to support the elevator or tail planes, etc. [ Webster 1913 Suppl. ]