—n. 1. Archit. a. a series of arches supported on piers or columns.
b. an arched, roofed-in gallery. Cf. colonnade. 2. an arched or covered passageway, usually with shops on each side.
3. an establishment, public area, etc., containing games of a mechanical and electronic type, as pinball and video games, that can be played by a customer for a fee.
4. an ornamental carving, as on a piece of furniture, in the form of a row of arches.