Definition of Purulent Purulent: Pertaining to pus. Containing or composed of pus. The term "purulent" is often used in regard to drainage. For example, gonorrhea in men usually causes a purulent discharge from the penis.
Purulent: Pertaining to pus. Containing or composed of pus. The term "purulent" is often used in regard to drainage. For example, gonorrhea in men usually causes a purulent discharge from the penis.
