pygidium /pī-gidˈi-əm or pī-jidˈi-əm/ (zoology)

1. In insects, the tergum of the last abdominal somite
2. The tail-shield of a trilobite

pygidˈial adjective

• seventy
• seventy-eight
• seventy-eights
• seven wonders of the world
• Seven Wonders of the World
• Seven Works of Corporal Mercy
• Seven Works of Spiritual Mercy
• seven-year itch
• Seven Years' War
• sever
• severable
• several
• severalfold
• severally
• severals
• severalties
• severalty
• severance
• severance pay
• severances
• severe
• severe combined immunodeficiency syndrome
• severed
• severely
• severeness