Allen wrench

Al·​len wrench | \ ˈa-lən- How to pronounce Allen wrench (audio) \

Definition of Allen wrench

: an L-shaped hexagonal metal bar either end of which fits the socket of a screw or bolt

First Known Use of Allen wrench

1913, in the meaning defined above

History and Etymology for Allen wrench

Allen Manufacturing Company, Hartford, Connecticut

Keep scrolling for more

Learn More about Allen wrench

Time Traveler for Allen wrench

Time Traveler

The first known use of Allen wrench was in 1913

See more words from the same year

Statistics for Allen wrench

Cite this Entry

“Allen wrench.” Dictionary, Merriam-Webster, Accessed 9 Aug. 2020.

Keep scrolling for more

More Definitions for Allen wrench

Allen wrench

How to pronounce Allen wrench (audio)

English Language Learners Definition of Allen wrench

US : a small tool that is used to turn a special type of screw

More from Merriam-Webster on Allen wrench

Rhyming Dictionary: Words that rhyme with Allen wrench

Comments on Allen wrench

What made you want to look up Allen wrench? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!