sacrum
(sac-rum)
2 syllables
Definition
noun. a bone in the lower back that supports the pelvis.
Example Sentence
The doctor said that my lower back pain might be due to a fracture in my sacrum.
More Example Sentences
Doctors study the sacrum in human anatomy.
Synonyms
pelvic bone; spine bone; sacral bone
Antonyms
skull; head bone
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sacrum
