arms UK /ɑːmz/US /ɑɹmz/noun 2phrases 2 noun2 •weapons, such as guns and bombs •A visual design composed according to heraldic rules, normally displayed upon an escutcheon and sometimes accompanied by other elements of an achievementThe arms of England are: gules, three lions passant guardant or. Phrases with arms babe in armsAn infant. with open armsWith enthusiasm, as if embracing.