He injured his upper arm while playing basketball.

She wore a beautiful arm ring on her upper arm.

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

He is a one-armed man.

The passage of arms between the two nobles lasted for years.

It is a constitutional right for citizens to bear arms.

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.

The soldiers were equipped with small arms.