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sac·rum
 sacrum
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- pronunciation:
- seI
kr
 m
[or]
sae
krm
- features:
- Word Combinations (noun)
| part of speech: |
noun |
| inflections: |
sacra |
| definition: |
in higher vertebrates, a bone that supports the dorsal wall of the pelvis, formed from the fusion of two or more basal vertebrae.
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