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cow killer

noun
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Definition of cow killer

: the wingless female of certain wasps of the family Mutillidae especially : the large red and black velvet ant (Dasymutilla occidentalis) that has a severe sting

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“Cow killer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cow%20killer. Accessed 1 Mar. 2021.

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