A rapier is a sword which has two edges on its narrow blade. In the time of Shakespeare, a rapier was a common weapon — it's even used by some of his characters. A rapier is a particular kind of sword, used mostly for thrusting. Rapiers were especially popular in 16th and 17th century Europe.

Do rapiers have sharp edges?

But rapiers are generally thin, light, fast, and well-balanced thrusting swords intended for unarmored single-combat. ... Eventually however, it came to mean exclusively a long and slender thrusting sword with virtually no edge.

Is a rapier double edged?

Designed for cut-and-thrust fencing of progressively complex techniques, the rapier is characterized by a double-edged blade with an acute point and an elaborate guard for the hand.