Dictionary

spanner

noun span·ner \ˈspa-nər\

Definition of SPANNER

1
chiefly British :  wrench
2
:  a wrench that has a hole, projection, or hook at one or both ends of the head for engaging with a corresponding device on the object that is to be turned
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Illustration of SPANNER

Origin of SPANNER

German, instrument for winding springs, from spannen to stretch; akin to Middle Dutch spannen to stretch — more at span
First Known Use: circa 1790

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