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

• tiring-glasses
• tiring-house
• tiring-houses
• tiring-room
• tirings
• tiring-woman
• tiring-women
• tirl
• tirled
• tirlie-wirlie
• tirlie-wirlies
• tirling
• tirling-pin
• tirling-pins
• tirls
• Tir nan-Og
• Tir-na-nOg
• tiro
• tirocinium
• tirociniums
• tiroes
• Tirolean
• Tirolese
• Tirolienne
• Tironensian