Meaning

noun weapons considered collectively

noun the official symbols of a family, state, etc.

noun a human limb; technically the part of the superior limb between the shoulder and the elbow but commonly used to refer to the whole superior limb

originFrom Middle English armes, from Old French armes, from Latin arma (“weapons”), from Proto-Indo-European *h₂er-mo-, a suffixed form of *h₂er- (“to fit together”), hence ultimately cognate with etymology 2.

Etymology from Wiktionary, CC BY-SA 3.0