A plural of atrium.
Variant of atrium
nounpl. atria or atriums
- the central court or main room of an ancient Roman house
- a hall or court at the center or entrance of a building, usually rising through more than one story or all the stories and having a skylight or glass on one side and the roof
- Anat. a chamber or cavity, esp. either of the thin-walled upper chambers of the heart that receive blood; auricle
Origin of atriumClassical Latin