acetabulum /a-si-tabˈū-ləm or -sē-/ (zoology)

1. The hollow that receives the head of the thigh bone
2. One of the cotyledons of the placenta of ruminants
3. The cavity that receives a leg in the body of insects
4. (in various invertebrates) a sucker

acetabˈūlar adjective

• power-assisted
• power base
• power bases
• power behind the throne
• power block
• power blocks
• powerboat
• powerboats
• power breakfast
• power breakfasts
• power broker
• power brokers
• power cut
• power cuts
• power dive
• power-dive
• power-dived
• power dives
• power-dives
• power-diving
• power-dressed
• power dressing
• power drill
• power drills
• power-driven