Source : Webster's Revised Unabridged Dictionary (1913)

Pollock \Pol"lock\, n. [See {Pollack}.] (Zo["o]l.)
   A marine gadoid fish ({Pollachius carbonarius}), native both
   of the European and American coasts. It is allied to the cod,
   and like it is salted and dried. In England it is called
   {coalfish}, {lob}, {podley}, {podling}, {pollack}, etc.