claymorePronunciation: /ˈkleɪmɔː/Definition of claymore noun 1a broadsword formerly used by Scottish Highlanders, typically double-edged. 2a type of anti-personnel mine. Origin: early 18th century: from Scottish Gaelic claidheamh 'sword' + mór 'great'claymore in other Oxford dictionaries Definition of claymore in the US English dictionary