crescent spanner

名词 n.
中文释义

英文释义

名词 n.
  1. An open-end adjustable spanner with a worm-drive thumbwheel. When the term adjustable spanner or adjustable wrench is used, this type (branded with any of many brands) is usually the type meant. Australia,New-Zealand,broadly,idiomatic,informal
  2. Used other than figuratively or idiomatically: any spanner made by the namesake company, which makes many tools. informal

词形变化

crescent spanners plural

词源

A genericization of the trade name of a company famous for making them (although it did not invent them); details are at Wikipedia. The trademark is still protected, and this genericized term is only informal and loose. Compare kleenex and coke.
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