Medical Dictionary

acetabulum

noun ac·e·tab·u·lum \-ˈtab-yə-ləm\
plural ac·e·tab·u·lums or ac·e·tab·u·la \-lə\

Medical Definition of ACETABULUM

1
:  the cup-shaped socket in the hip bone
2
:  a sucker of an invertebrate (as a trematode or leech)
ac·e·tab·u·lar \-lər\ adjective

Illustration of ACETABULUM

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears