Term: casse-tete (Fr.)
Definition: a war club, though the French literally means "head-breaker" as its Indian original did: "The Savages call it Assan Oustick, Oustick signifying the Head, and Assan, to break." -- Lahontan
[Source: Lahontan, Louis. New Voyages to North-America... (London, 1703) at Turning Points in Wis. History (www.wisconsinhistory.org/turningpoints/)]