casse-tete

from The Collaborative International Dictionary of English v.0.48
Casse-tete \Casse`-t[^e]te"\ (k[.a]s`t[=a]t"), n. [F., fr.
   casser to break (see 2d {Quash}) + t[^e]te head.]
   A small war club, esp. of savages; -- so called because of
   its supposed use in crushing the skull.
   [Webster 1913 Suppl.] Cassette
    

[email protected]