Definition that contains yellow jack
- vespa type genus of the Vespidae: various hornets and yellow jackets
- vespidae an arthropod family of the order Hymenoptera including: yellow jackets; hornets; mason wasps
- family vespidae an arthropod family of the order Hymenoptera including: yellow jackets; hornets; mason wasps
- genus vespa type genus of the Vespidae: various hornets and yellow jackets