IPA: /ˈrɛnʧər/
KK: /ˈrɛnʧər/
A person or tool that twists or turns something, often used to describe someone who uses a wrench or a similar tool.
The mechanic used a wrencher to fix the car's engine.
Wrencher → The word 'wrencher' is derived from 'wrench' (from Old English 'wrencan', meaning to twist or turn) and the suffix '-er' (meaning a person who). A wrencher is a person who twists or turns, typically referring to someone who uses a wrench to tighten or loosen bolts.
Think of someone who 'twists' ('wrencan') things to make them fit or work — that's what a wrencher does.