Oxford Dictionary English small arms nounnoun BrE BrE//ˈsmɔːl ɑːmz// ; NAmE NAmE//ˈsmɔːl ɑːrmz// [plural] Weapons Add to my wordlistjump to other results small light weapons that you can carry in your hands They attacked the house with grenades and small arms. They heard the sound of small arms fire in the distance. See related entries: WeaponsSee small arms in the Oxford Advanced American DictionaryCheck pronunciation: small arms oxfordlearnersdictionaries.com