under arms

He would have been under arms at an early age.

To be sure, he still kept some men under arms.

I started to get up and felt a hand under my arm.

I shot him under my left arm, almost without looking.

It hit him under the arm and he died soon after.

I took one, started away with it under my arm, then had a second thought and turned back.

I still had the old guy's box under my arm.

"Or you talk to someone who has an interesting book under their arm."

Old Robert helped him from the room with a hand under his arm, then came and sat again by the fire.

Then I reached up with my left hand and felt under his right arm.