Meaning of SPANNER in English

SPANNER

[span.ner] n [G, instrument for winding springs, fr. spannen to stretch; akin to MD spannen to stretch--more at span] (ca. 1790) 1 chiefly Brit: 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

Merriam-Webster English vocab.      Английский словарь Merriam Webster.