cast-iron

A type of frying pan made from cast iron, often with sloped sides.

A cooking pan made from cast iron, known for its heat retention.

A heating or cooking appliance made of cast iron, often for burning wood or coal.

A fireplace structure made from cast iron.

A bathtub made from the heavy metal, cast iron.

Figurative: a promise or assurance that is absolutely certain and reliable.

Figurative: a reason why you cannot be guilty of a crime that is impossible to doubt.

A large, primary pipe (e.g., for water or gas) made from cast iron.