plural -s
: a self-defensive substance secreted by butterflies of the subfamily Acraeinae that is distasteful to birds and other predators

Word History


New Latin Acraeinae + English -in

First Known Use

1922, in the meaning defined above

Time Traveler
The first known use of acraein was in 1922

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Dictionary Entries Near acraein

Cite this Entry

“Acraein.” Dictionary, Merriam-Webster, Accessed 20 Apr. 2024.

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