- 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
Historical Examples of cow killer
Hearing the cries of the sacred animals he rushed to their assistance, but the cow-killer was aided by his friends.