Leavened grain products that may not be consumed by Jewish people on Passover.

Matzah is eaten instead.

Jewish law prohibits Jewish people from eating, owning, or otherwise benefitting from chametz during the holiday of Passover.

Jewish people must also use a separate set of dishes during the holiday on which chametz is not eaten.

All chametz in the possession of Jews must either be destroyed, disposed of, or sold to a gentile for the duration of the holiday.

Also can be spelled as "chometz" or "chumetz."
We must get rid of all our chametz before Passover.
by Bed time April 1, 2010
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Hebrew word for "leaven" any food containg an ingrediant that can ferment and rise. Sephardim do not consider rice and beans to be chametz but ashkenazi do.
Oy! I have to schlep this Chametz over to the food bank before pesach.
by txjewboy-yeahtxhasjews! March 29, 2010
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A place where chametz (and non-Passover dishes) are stored during Passover.

Jewish law requires Jewish people to refrain from ownership of chametz during Passover. Chametz owned by a Jew before Passover may be kept for use after Passover if it is sold to a gentile. If so, it may remain in the Jew's dwelling if stored out of sight.

In some homes, the area the owner has designated for storage looks like a monster mouth, hence the name "chametz monster."
We must put all our chametz in the chametz monster.
by Bed time April 15, 2010
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