|
|
a·tri·um
 atrium
|
|
- pronunciation:
- eI
tri
 m
- features:
- 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.
|
| 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.
|
| related words: |
chamber |
|
|
| derivation: |
atrial (adj.) |
|
|