Definitions

1. noun

A city in the US state of Alabama.

“Decatur is a major industrial city in the southeastern United States.”

2. proper noun

A city in the US state of Illinois.

“Decatur is a city in Macon County, Illinois.”

3. proper noun

A county in the US state of Alabama.

“Decatur County is a county in the US state of Alabama.”

4. noun

A type of naval ship, especially a warship.

“The USS Decatur is a guided-missile destroyer in the US Navy.”

5. noun

A device for measuring the volume of liquids or gases.

“The decatur was used to measure the volume of the liquid in the bottle.”