Arcade

Part of speech: noun (n.)

1. A series of arches with the columns or piers which support them, the spandrels above, and other necessary appurtenances; sometimes open, serving as an entrance or to give light; sometimes closed at the back (as in the cut) and forming a decorative feature.

2. A long, arched building or gallery.

3. An arched or covered passageway or avenue.