Emily Dickinson Lexicon

CHOUGH, n. [chuff. Fr. choucas; Ir. cag; Sax. ceo or ceogh. This word may be the same as jack, in jackdaw. It appears to be a Cornish word.]

The Cornish chough is a fowl of the genus Corvus, nearly of the size of the crow, and mischievous, like the magpie. It is black, except the bill, legs and feet, which are red. It is a native of the west of England. – Dict. of Nat. Hist. Chough is also applied to the jackdaw. – Cyc.