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

• light-organ
• light-organs
• light out
• light pen
• light pens
• light pollution
• light-proof
• light railway
• light railways
• lights
• lightship
• lightships
• light show
• light shows
• lightsome
• lightsomely
• lightsomeness
• lightsomenesses
• lights out
• light-spirited
• measliness
• measlinesses
• measling
• measly
• measurability