Webster's Revised Unabridged Dictionary · 1913

Pollack

Pollack , noun

[Compare German & Dutch pollack, and Gael. pollag a little pool, a sort of fish.]

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