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Word of the Day Wednesday, June 10, 2026

atrial

/ˈeɪtriəl/ adjective · British & US
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What does atrial mean?

adjective

Relating to or denoting the upper chamber of the heart, or to the atrium of the heart. Also, relating to or denoting the atrium of the brain.

Example

"The atrial septal defect was a congenital heart condition that required surgery."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for atrial

Antonyms of atrial

Rhymes with atrial

Etymologically related