Rapier - Trisha K.

Rapier- \ˈrā-pē-ər\ A straight sword with a narrow blade having both edges sharp {N}

Etymology--The middle French

Synonym-sharp sword

Antonym-dull sword

Sentence-The knight took his rapier and killed the enemies with one hit.

Bibliography:

"Bookmarks." Tobias Mayer: Agile Consultant. 25 Mar. 2009 http://www.agilethinking.net/qualityforge/bookmarks.html.

Merriam-Webster Online Dictionary. 2009.
Merriam-Webster Online. 10 March 2009