meaning of arcade
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. 
4.  a structure composed of a series of arches supported by columns
						 
