RAPIER Meaning of RAPIER in English ra ‧ pi ‧ er /ˈreɪpiə $ -ər/ BrE AmE noun [countable] [ Date: 1500-1600 ; Language: French ; Origin: rapière ] a long thin sword with two sharp edges Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012