rook

As the immunologist Graham Rook is fond of saying, co-evolution invariably leads to codependence.

Beryn was 'in hevy plyghte,' when he only lost a rook for nothing; Tale of Beryn, 1812.

The Consul had a good rook-rifle with him; and the kavass, a Serb by nationality, was a very good shot with it.

"Hear, hear," said everybody except the crow, who hated the rook.

Luke is, doubtless, the stray rook, and a fledgeling hath flown hither from a distant country.

He was mounted on his old horse, Rook, and looked grim and haggard as a ghost vanishing at the crowing of the cock.