The Collaborative International Dictionary
Arrenotokous
Arrenotokous \Ar`re*not"o*kous\, a. [Gr. ? bearing males; ? a male + ? a bringing forth.] (Zo["o]l.) Producing males from unfertilized eggs, as certain wasps and bees.
Wiktionary
arrenotokous
a. (context zoology English) Producing males from unfertilized eggs.