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

• impetuosities
• impetuosity
• impetuous
• impetuously
• impetuousness
• impetuousnesses
• impetus
• impetuses
• imp. gal.
• imp. gall.
• impi
• impictured
• impierceable
• impies
• impieties
• impiety
• impignorate
• impignorated
• impignorates
• impignorating
• impignoration
• impignorations
• imping
• impinge
• impinged