ˈalə̇n- noun
Etymology: from Allen, a proper name
: an L-shaped hexagonal bar of hardened steel either end of which fits the socket of a screw or bolt
ˈalə̇n- noun
Etymology: from Allen, a proper name
: an L-shaped hexagonal bar of hardened steel either end of which fits the socket of a screw or bolt
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012