Source : Webster's Revised Unabridged Dictionary (1913)

Crispin \Cris"pin\ (kr?s"p?n), n.
   1. A shoemaker; -- jocularly so called from the patron saint
      of the craft.

   2. A member of a union or association of shoemakers.

Source : WordNet®

Crispin
     n : patron saint of shoemakers; he and his brother were martyred
         for trying to spread Christianity (3rd century) [syn: {Saint
         Crispin}, {St. Crispin}]