ACETABULUM (acetabula)

 Dictionary entry overview: What does acetabulum mean? 

• ACETABULUM (noun)
  The noun ACETABULUM has 1 sense:

1. the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint

  Familiarity information: ACETABULUM used as a noun is very rare.

 Dictionary entry details 

• ACETABULUM (noun)

Meaning:

The cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint

Classified under:

Nouns denoting body parts

Synonyms:

acetabulum; cotyloid cavity

Hypernyms ("acetabulum" is a kind of...):

socket (a bony hollow into which a structure fits)

Holonyms ("acetabulum" is a part of...):

hipbone; innominate bone (large flaring bone forming one half of the pelvis; made up of the ilium and ischium and pubis)