| 释义 | 
		Definition of grey falcon in English: grey falcon(US gray falcon) noun 1(In early use) the hen harrier, Circus cyaneus, or the peregrine falcon, Falco peregrinus. 2(In later use) F. hypoleucos of arid regions of Australia. 
 OriginLate 17th century; earliest use found in John Ray (1627–1705), naturalist and theologian.    Definition of grey falcon in US English: grey falcon(US gray falcon) noun 1(In early use) the hen harrier, Circus cyaneus, or the peregrine falcon, Falco peregrinus. 2(In later use) F. hypoleucos of arid regions of Australia. 
 OriginLate 17th century; earliest use found in John Ray (1627–1705), naturalist and theologian.     |