Rapier is a thin, two-edged sword or speech that is clever.(noun)
See rapier in Webster's New World College Dictionary
Origin: Fr rapière, orig. adj., in OFr espee (sword) rapiere < ? râper, to rasp, ult. < OHG raspon, to scrape together: see rasp
See rapier in American Heritage Dictionary 4
Origin: French rapière
Origin: , from Old French (espee) rapiere, rapier (sword).
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