Meaning of arm in English

Noun

1. the upper limb of the body

She was holding her baby in her arms.

2. the side part of a chair

3. the part of a piece of clothing that covers your arm

arm²

Noun

1. weapons, especially bombs and guns used in a war or battlefield

by (force of) arms

Verb

1. provide someone with weapons

The skunk is armed with a powerful scent.
arm for war