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a·tri·um
 atrium
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- pronunciation:
- eI
tri
 m
- features:
- Word Combinations (noun), Word Explorer
| part of speech: |
noun |
| inflections: |
atria, atriums |
| definition 1: |
an enclosed courtyard, esp. in ancient Roman houses or early Christian churches.
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| definition 2: |
in anatomy, any internal cavity, esp. one of the two upper heart chambers.
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| related words: |
chamber |
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| derivation: |
atrial (adj.) |
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