bases

¹ American

[bey-seez] / ˈbeɪ siz /

noun

plural of basis.

bases ² American

[bey-siz] / ˈbeɪ sɪz /

noun

plural of base.

bases ¹ British

/ ˈbeɪsiːz /

noun

the plural of basis

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

bases ² British

/ ˈbeɪsɪz /

noun

the plural of base 1

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

bases

Starship's enormous payload capacity and planned rapid reuse make it well suited for ambitious projects such as lunar bases, Mars missions, and massive satellite constellations.

From Science Daily ● Jul. 11, 2026

Bottom line: You did the right thing by seeking a second opinion and, just to cover your bases, a third opinion, too.

From MarketWatch ● Jul. 10, 2026

So when Alex Vesia struggled against the Rockies in the eighth inning and Muncy suffered a throwing error, Colorado seemed in position to score with the bases loaded and one out.

From Los Angeles Times ● Jul. 9, 2026

He had fought in World War II, Korea and Vietnam, and then was transferred to different bases.

From The Wall Street Journal ● Jul. 7, 2026

Marine Corps, air force, army, and navy units at various military bases around the country stood by to enact the commands of Red and Blue Team brass.

From "Blink" by Malcolm Gladwell

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023