(chiefly in combination) Having an arm or arms, often of a specified number or type. / (of a creature) Possessing arms of a specified number or type.

Abbreviation of Armenian.

The amount an arm or arms can hold.

Initialism of accelerated reply mail (a service of the United States Postal Service) / Initialism of adjustable rate mortgage.

(computing) Initialism of Acorn RISC Machine or Advanced RISC Machine.

weaponry, weapons

Third-person singular simple present indicative form of arm

plural of arm

present participle of arm

The act of supplying (oneself or others) with armor and (now especially) arms and ammunition in preparation for a conflict; the act of providing with the means of defense and attack.