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

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See Examples For:

bases

The tensions over US access to British military bases during the Iran War are still simmering as well.

From BBC ● Jul. 12, 2026

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

Pricing remains relatively soft but stable, reflecting a competitive U.K. market and continued investment in newer bases such as Gatwick, they add.

From The Wall Street Journal ● Jul. 9, 2026

Bright-green mist spews from their bases with a sickening hiss.

From "The Last Cuentista" by Donna Barba Higuera

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