outrigger
noun /ˈaʊtrɪɡə(r)/
/ˈaʊtrɪɡər/
- 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 structureTopics Transport by waterc2Word Originmid 18th cent.: perhaps influenced by the obsolete nautical term outligger, in the same sense.