Rā'pi·er, n.

n. [Fr. rapière, from L. Ger. rapen, rappen, H. Ger. raffen, raufen, to snatch away, to pluck, to fight; D. & Dan. rapier, Ger. rappier, Ir. ra'peir, roipeir, from Fr. rapière. See RAP, v. i.] A light sword with a very narrow blade, introduced from Spain, and formerly worn by gentlemen on all occasions. Fairholt.