atrium

Signification

1. A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.
2. A square hall lit by daylight from above, into which rooms open at one or more levels.
3. A cavity, entrance, or passage.
4. Any enclosed body cavity or chamber.
5. An upper chamber of the heart that receives blood from the veins and forces it into a ventricle. In higher vertebrates, the right atrium receives blood from the superior vena cava and inferior vena cava, and the left atrium receives blood from the left and right pulmonary veins.
6. A microscopic air sac within a pulmonary alveolus.
7. A cavity inside a porate aperture of a pollen grain formed by the separation of the sexine and nexine layers, widening toward the interior of the grain.

Coupé comme

a‧tri‧um

Prononcé comme (IPA)

/ˈeɪ.tɹi.əm/

Étymologie

From Latin ātrium (“entry hall”), from Etruscan.

Phrases

The south lobby was restructured with a new entryway and dramatic atrium .

Le hall sud a été restructuré avec une nouvelle entrée et un atrium dramatique.