Simple Definition of socket wrench
: a tool that has a part which fits over the end of a bolt or nut and is used to turn it
Full Definition of socket wrench
: a wrench usually in the form of a bar and removable socket made to fit a bolt or nut
Learn More about socket wrench
Britannica.com: Encyclopedia article about socket wrench
Seen and Heard
What made you want to look up socket wrench? Please tell us where you read or heard it (including the quote, if possible).