The Collaborative International Dictionary
Chough \Chough\, n. [OE. choughe, kowe (and cf. OE. ca), fr. AS. ce['o]; cf. also D. kauw, OHG. ch[=a]ha; perh. akin to E. caw. [root]22. Cf. Caddow.] (Zo["o]l.) 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.
n. (context heraldry English) A black bird with red foot and beak.