clinch

A small slip noose made with seizing.

The flattened part of a nail or bolt or rivet.

A tight or amorous embrace.

A device (generally used by carpenters) that holds things firmly together.

(boxing) the act of one boxer holding onto the other to avoid being hit and to rest momentarily.

Settle conclusively.

“clinch a deal”

Hold in a tight grasp.

Embrace amorously.

Flatten the ends (of nails and rivets).

“the nails were clinched”

Hold a boxing opponent with one or both arms so as to prevent punches.

Secure or fasten by flattening the ends of nails or bolts.

“The girder was clinched into the wall”