The Collaborative International Dictionary
Quey
Quey \Quey\, n. [Cf. Dan. qvie.] A heifer. [Scot.]
Douglas Harper's Etymology Dictionary
quey
"young cow," Scottish and Northern English dialect, late 14c., from Old Norse kviga, apparently from ku "cow" (see cow (n.)).
Wiktionary
quey
n. (context Scotland and Northern England English) A heifer