: the volume (as of irrigation water) that would cover one acre to a depth of one foot

Word History

First Known Use

1889, in the meaning defined above

Time Traveler
The first known use of acre-foot was in 1889

Dictionary Entries Near acre-foot

Cite this Entry

“Acre-foot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acre-foot. Accessed 28 Nov. 2022.

Kids Definition

acre-foot

noun

: the volume (as of irrigation water) that would cover one acre to a depth of one foot

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