Definition: Chametz is a term used in Jewish tradition to refer to any food or drink that has been contaminated with leavening agents such as leavened bread, leavened wine, leavened fruits, leavened vegetables, or leavened dairy products. This term originated from the Hebrew word "chama" which means "to make", and "etz" which is a plural form of "zem", meaning "bread". Chametz was not considered acceptable by Jewish tradition