a common, crested North American jay (Cyanocitta cristata) with a blue upper body and head
A North American bird (Cyanocitta cristata) having a crested head, predominantly blue plumage, and a harsh, noisy cry.
(plural Blue Jays)
- (baseball) A player on the team Toronto Blue Jays.
- He is the only Blue Jay at the All-Star game this year.