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

• sackers
• sackful
• sackfuls
• sacking
• sackings
• sackless
• sacklike
• sack-posset
• sack-possets
• sack race
• sack races
• sacks
• sack tree
• sack trees
• sacless
• squamose
• squamosities
• squamosity
• squamous
• squamous cell carcinoma
• squamous cell carcinomas
• squamula
• squamulas
• squamule
• squamules