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ant cow

noun

: an aphid from which ants obtain honeydew

Word History

First Known Use

1843, in the meaning defined above

Time Traveler
The first known use of ant cow was in 1843

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Cite this Entry

“Ant cow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ant%20cow. Accessed 28 Nov. 2025.

Kids Definition

ant cow

noun
: an aphid which secretes a sugary substance used by ants

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