Chowder \Chow"der\, n. [F. chaudi[`e]re a kettle, a pot. Cf. {Caldron}.] 1. (Cookery) A dish made of fresh fish or clams, biscuit, onions, etc., stewed together. 2. A seller of fish. [Prov. Eng.] --Halliwell. {Chowder beer}, a liquor made by boiling black spruce in water and mixing molasses with the decoction.