Allen wrench

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noun Al·len wrench \ˈa-lən-\

Definition of Allen wrench

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

Origin and Etymology of allen wrench

Allen Manufacturing Company, Hartford, Connecticut


First Known Use: 1913


ALLEN WRENCH Defined for English Language Learners

Allen wrench

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noun Al·len wrench \ˈa-lən-\

Definition of Allen wrench for English Language Learners

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

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a brief usually trivial fact

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