belt

A band worn around the waist to hold clothing to one's body (usually pants), hold weapons (such as a gun or sword), or serve as a decorative piece of clothing.

"As part of the act, the fat clown's belt broke, causing his pants to fall down."

A band used as a restraint for safety purposes, such as a seat belt.

"Keep your belt fastened; this is going to be quite a bumpy ride."

A band that is used in a machine to help transfer motion or power.

"The motor had a single belt that snaked its way back and forth around a variety of wheels."

To encircle.

"The small town was belted by cornfields in all directions."

To fasten a belt on.

"Edgar belted himself in and turned the car's ignition."

To invest (a person) with a belt as part of a formal ceremony such as knighthood.