Wiktionary
colichemarde
n. A blade, with a hexagonal or diaper shaped cross section, once used to make small swords.
Wikipedia
Colichemarde
Colichemarde is a type of small sword blade that was popular from the late 17th century to the middle 18th century.
Usage examples of "colichemarde".
He stared down in amazement at the colichemarde buried in his solar plexus.
Nicolas reached past her and wrenched the door open, producing his pistol and colichemarde as he did so.