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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: |
a courtyard inside a building, either open to the sky or with a glass ceiling.
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definition 2: |
either of the two upper compartments of the heart; auricle. Blood returning from the body flows into the atria, which pump the blood to the ventricles, the lower compartments of the heart.
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related words: |
chamber |
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derivation: |
atrial (adj.) |
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