ALLEN KEY


Meaning of ALLEN KEY in English

™ / ˈælən kiː; NAmE / ( BrE ) ( NAmE ˈAllen wrench ™) noun

a small tool used for turning an Allen screw

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WORD ORIGIN

1960s: from the name of the manufacturer, the Allen Manufacturing Company, of Hartford, Connecticut.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.