n. [ OE. choughe, kowe (and cf. OE. ca), fr. AS. ceó; cf. also D. kauw, OHG. chāha; perh. akin to E. caw. √22. Cf. Caddow. ] (Zool.) A bird of the Crow family (Fregilus graculus) of Europe. It is of a black color, with a long, slender, curved bill and red legs; -- also called chauk, chauk-daw, chocard, Cornish chough, red-legged crow. The name is also applied to several allied birds, as the Alpine chough. [ 1913 Webster ]

Cornish chough (Her.), a bird represented black, with red feet, and beak; -- called also aylet and sea swallow. [ 1913 Webster ]