carrion crow
noun
1.
a European crow,
Corvus corone,
that feeds on carrion.
2.
black vulture
(def 1).
Origin
1520-30
British Dictionary definitions for
carrion crow
carrion crow
noun
1.
a common predatory and scavenging European crow,
Corvus corone,
similar to the rook but having a pure black bill
See also
hooded crow