Definitions

1. noun

the main prophet in the Book of Joel in the Old Testament of the Bible, noted for his prophecies about a great locust plague and the Day of the Lord

“The biblical book of Joel is a part of the Hebrew Bible and the Christian Old Testament.”

2. proper noun

a surname, especially referring to American football players Joel (American football) or Joel (Canadian football)

“Joel Embiid is a professional basketball player with the Philadelphia 76ers.”

3. verb

to shout or call out (archaic)

“He joelled for help when he got trapped in the cave.”