English dictionary

atrium Meaning & Definition

/ˈeɪ.tɹi.əm/

What Does Atrium Mean?

As a noun, atrium means A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings. It is also used to mean A square hall lit by daylight from above, into which rooms open at one or more levels.

Quick Facts About Atrium

Part of speech	noun
Pronunciation	//ˈeɪ.tɹi.əm//
Syllables	1
Synonyms	cavaedium
Plural	atria

Atrium Definition (Noun)

A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.
A square hall lit by daylight from above, into which rooms open at one or more levels.
A cavity, entrance, or passage.
an atrium of the infundibula of the lungs
Any enclosed body cavity or chamber.
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.
A microscopic air sac within a pulmonary alveolus.
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.

Noun

Any enclosed sexine and nexine layers, widening toward the interior of the grain.

Synonyms of Atrium

cavaedium

Atrium synonyms and antonyms →

Antonyms of Atrium

No antonyms or near antonyms are listed by the available sources for this entry.

Atrium in a Sentence

an atrium of the infundibula of the lungs

Word Forms & Grammar

atrium (plural atria or atriums)

Origin of Atrium

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

How Do You Say Atrium?

Atrium is pronounced //ˈeɪ.tɹi.əm// and has 1 syllable.

Quick Answers About Atrium

What part of speech is atrium?

Atrium is a noun.

What is another word for atrium?

Close synonyms of atrium are cavaedium. See the full list of atrium synonyms and antonyms.