[ tʃʌf ]
■ noun
1》 a black bird of the crow family with a red or yellow downcurved bill, typically frequenting mountains and sea cliffs. [ Pyrrhocorax pyrrhocorax and other species.]
2》 ( white-winged ~ ) a black and white Australian songbird. [ Corcorax melanorhamphos .]
Origin
ME: prob. imitative.