Definitions

1. proper noun

a city located in Will County, Illinois, United States, and the county seat.

“The mayor of Joliet is working on a new infrastructure project.”

2. noun

a type of steel, a low-carbon steel alloy containing vanadium and molybdenum.

“The engineer selected a high-strength Joliet alloy for the new bridge.”

3. noun

a type of lock or security device, often used to secure a door or a container.

“She purchased a Joliet lock to secure her bicycle.”