blue jays Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition plural noun. a type of bird with blue feathers. they are known for their intelligence and loud calls. Example Sentence The blue jays were eating berries. More Example Sentences A blue jay landed on the fence. Synonyms birds; songbirds; jays Hear It! Say It! Write It! blue jays Switch to cursive Start Share with your friends: