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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.

With the bases loaded, she hit a sacrifice fly to deep right field.

From Los Angeles Times • May 24, 2026

The U.S. needs its military bases across Europe for operations in the Middle East and Africa and to access Indo-Pacific regions.

From The Wall Street Journal • May 22, 2026

At the height of the Cold War, there were 17 American bases in Greenland.

From BBC • May 22, 2026

With the bases loaded and one out in the top of the 10th, the A’s Zack Gelof hit into a fielder’s choice groundout off reliever Ryan Zeferjahn.

From Los Angeles Times • May 22, 2026

I used blue painter’s tape for the diamond, flattened shoebox tops for the bases, and a balance ball for the pitcher’s mound.

From "A High Five for Glenn Burke" by Phil Bildner

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