blue jay Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. common jay of eastern North America; bright blue with grey breast Example Sentence The blue jay flew into the nest. Spelled as two words. Synonyms jaybird; Cyanocitta cristata; bird Antonyms cat Hear It! Say It! Write It! blue jay Switch to cursive Start Share with your friends: