- the wingless female of any of several velvet ants, especially Dasymutilla occidentalis, of the southern U.S., which inflicts a painful sting.
Origin of cow killer
An Americanism dating back to 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cow killer
Hearing the cries of the sacred animals he rushed to their assistance, but the cow-killer was aided by his friends.