water jacket

noun

Definition of water jacket

  1. :  an outer casing which holds water or through which water circulates to cool the interior; specifically :  the enclosed space surrounding the cylinder block of an internal combustion engine and containing the cooling liquid

1841

First Known Use of water jacket

1841

Learn More about water jacket


Seen and Heard

What made you want to look up water jacket? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

capable of being understood in two ways

Get Word of the Day daily email!