( US Allen wrench )
■ noun Brit. trademark a spanner designed to fit into and turn an Allen screw.
Origin
1960s: from the name of the manufacturer, the Allen Manufacturing Company, Connecticut.
( US Allen wrench )
■ noun Brit. trademark a spanner designed to fit into and turn an Allen screw.
Origin
1960s: from the name of the manufacturer, the Allen Manufacturing Company, Connecticut.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004