—n. 1. See preparatory school. 2. a preliminary or warm-up activity or event; trial run: The race is a good prep for the Kentucky Derby. 3. preparation: dealer prep on the car included. 4. the act of preparing a patient for a medical or surgical procedure.
—adj. 1. preparatory: a prep school. 2. involving or used for preparation: the mortuary's prep room.
—v.t. 1. to prepare (a person) for a test, debate, etc.
2. to prepare (a patient) for a medical or surgical procedure, as by shaving and washing the skin with an antibacterial soap.
3. to prepare (a vehicle or craft) for sale, use, a test drive, or a race.
—v.i. 1. to prepare; get ready: to prep for the game. 2. to attend a preparatory school.