Source : Webster's Revised Unabridged Dictionary (1913)

Cabezon \Cab`e*zon"\ (k[a^]b`[asl]*z[o^]n" or
   k[aum]*b[asl]*th[-o]n"), n. [Sp., properly, big head. Cf.
   {Cavesson}.] (Zo["o]l.)
   A California fish ({Hemilepidotus spinosus}), allied to the
   sculpin.