Top definition
A room in the middle of a house or courtyard leading to house which has open ceiling, sometimes a water feature and ART displayed as in a gallery. Similar to an "atrium" but with ARTWORK as the main attraction.
Jimmer emptied the espresso maker into his cup and took a leisurely amble into the artrium where he contemplated sculptures, paintings and prints waiting for him there.
by jim christ August 14, 2009