velvet ant Syllabification: (vel·vet ant)Definition of velvet ant noun an antlike velvety-bodied insect related to the wasps. The female is wingless, and the larvae parasitize the young of bees and wasps in the nest. Family Mutillidae, superfamily Scolioidea: numerous species velvet ant in other Oxford dictionaries Definition of velvet ant in the British & World English dictionary