Source : Webster's Revised Unabridged Dictionary (1913)

Crapaud \Cra*paud"\, n. [Written also {crapawd}, {crapald},
   {crepaud}, etc.] [F. crapaud.]
   1. A toad. [Obs.]

   2. (Pronounced kr[.a]`p[=o]") As a proper name, {Johnny
      Crapaud}, or Crapaud, a nickname for a Frenchman.