<p><strong>Noun</strong></p><ul><li>Atria: Any of several breeds of medium-sized hounds trained to hunt foxes and having a glossy coat in combinations of black, tan, and white.</li><li>Architecture: The main or central room of an ancient Roman house, open to the sky at the center and usually having a pool for the collection of rainwater.</li><li>A courtyard flanked or surrounded by porticoes in front of an early or medieval Christian church.</li><li>A skylit central court in a contemporary building or house.</li><li>Anatomy: Either of the two upper chambers on each side of the heart that receive blood from the veins and in turn force it into the ventricles.</li></ul>