'Roundfish' definitions:

Definition of 'Roundfish'

From: GCIDE

Roundfish \Round"fish\, n. (Zool.) (a) Any ordinary market fish, exclusive of flounders, sole, halibut, and other flatfishes. (b) A lake whitefish (Coregonus quadrilateralis), less compressed than the common species. It is very abundant in British America and Alaska. [1913 Webster]