either of the two long parts that stick out from the top of the body and connect the shoulders to the hands. He escaped with only a broken arm.

arm · ​. [intransitive, transitive] to provide weapons for yourself/somebody in order to fight a battle or a war. The country was arming against the enemy. · ​[ ...

arms · ​. (formal) weapons, especially as used by the army, navy, etc. arms and ammunition; The UN imposed an arms embargo on the country. · ​. (also coat of arms). Coat of arms · Small arms · Arms race noun · Royal arms

either of the two long parts that stick out from the top of the body and connect the shoulders to the hands

to provide weapons for yourself/someone in order to fight a battle or a war arm yourself/somebody (with something) The men armed themselves with sticks and ...

There are 14 meanings listed in OED's entry for the verb arm, three of which are labelled obsolete. See 'Meaning & use' for definitions, usage, ...

(formal) weapons, especially as used by the army, navy, etc. arms and ammunition Police officers in New York usually carry arms.

strong-arm adjective /ˈstrɒŋ ɑːm/ /ˈstrɔːŋ ɑːrm/ [only before noun] (disapproving) using threats or violence in order to make people do what you want.

a competition to find out which of two people is the stronger, in which they try to force each other's arm down onto a table. Definitions on the go.

There is one meaning in OED's entry for the adverb arm-in-armly. See 'Meaning & use' for definition, usage, and quotation evidence.