SACRUM (sacra)

 Dictionary entry overview: What does sacrum mean? 

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

1. wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx

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

 Dictionary entry details 

• SACRUM (noun)

Meaning:

Wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx

Classified under:

Nouns denoting body parts

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

bone; os (rigid connective tissue that makes up the skeleton of vertebrates)

Meronyms (parts of "sacrum"):

sacral vertebra (one of 5 vertebrae in the human spine that fuse in the adult to form the sacrum)

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

hip; pelvic arch; pelvic girdle; pelvis (the structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs or corresponding parts in other vertebrates)