Pollack \Pol"lack\, n. [Cf. G. & D. pollack, and Gael. pollag a little pool, a sort of fish.]

(Zo["o]l.)
   (a) A marine gadoid food fish of Europe (Pollachius virens). Called also greenfish, greenling, lait, leet, lob, lythe, and whiting pollack.
   (b) The American pollock; the coalfish.

Source: Webster's Revised Unabridged Dictionary (1913)