He is a one-armed man.

The man-at-arms fought bravely on the battlefield.

The sergeant at arms called the meeting to order.

The serjeant at arms is responsible for maintaining order and security in the legislative chamber.

The serjeant-at-arms is responsible for maintaining order and security in the legislative chamber.

He straight-armed the defender to push him away.

The tone arm of the record player is adjustable.

He injured his upper arm while playing basketball.

They were brothers in arms, fighting together with their weapons.

He used strong-arm tactics to get what he wanted.