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

• nature trail
• nature trails
• nature-worship
• naturing
• naturism
• naturisms
• naturist
• naturistic
• naturists
• naturopath
• naturopathic
• naturopathies
• naturopaths
• naturopathy
• NAU
• naught
• naughtier
• naughties
• naughtiest
• naughtily
• naughtiness
• naughtinesses
• naughts
• naughty
• naughty nineties