A person who passes by or through a place. The passer glanced at the street performers as he walked by.
In sports, a player who throws or passes the ball to a teammate. The quarterback is an excellent passer, known for his accurate throws.
A person who successfully passes an examination or test. She was one of the top passers in the bar exam this year.
A person who knowingly circulates counterfeit money or forged documents. The police arrested the passer after he tried to spend fake twenties at several stores.