Allen key
English
editEtymology
editAllen + key, from the name of the Allen Manufacturing Company.
Pronunciation
editNoun
editAllen key (plural Allen keys)
- (UK) A hex head wrench.
Synonyms
edit- (hex head wrench): Allen wrench, hex head wrench, hex key
Related terms
editTranslations
edita hex head wrench
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Further reading
edit- “Allen key”, in Collins English Dictionary.
- “Allen key”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
- “Allen key”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
- “Allen key”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.