Definition of outrigger noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈaʊtrɪɡə(r)//
; NAmE NAmE//ˈaʊtrɪɡər//
Parts of boats and ships
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a wooden structure that is fixed to the side of a boat or ship in order to keep it steady in the water; a boat fitted with such a structure See related entries: Parts of boats and ships Word Originmid 18th cent.: perhaps influenced by the obsolete nautical term outligger, in the same sense.
See the Oxford Advanced American Dictionary entry: outrigger