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

• heartbreaker
• heartbreakers
• heartbreaking
• heartbreaks
• heartbroken
• heartburn
• heartburning
• heartburnings
• heartburns
• heart cam
• heart cams
• heart cockle
• heart cockles
• heart-dear
• heart disease
• heart diseases
• heart-easing
• hearted
• hear tell of
• hearten
• heartened
• heartening
• heartens
• heart failure
• heart failures