Seph. /khah mets"/ ; Ashk. /khaw"mits/ , n. Hebrew.
1. a food forbidden for use by Jews during the festival of Passover, esp. a baked food, as bread or cake, made with leaven or a leavening agent.
2. a dish, kitchen utensil, or the like used in preparing or serving such food and similarly forbidden for use during Passover.
Also, chametz .
[ hames lit., that which is leavened ]