Noun

1. Spectators at a golf or tennis match
2. A porch along the outside of a building (sometimes partly enclosed)
3. A room or series of rooms where works of art are exhibited
4. A long usually narrow room used for some specific purpose
5. A covered corridor (especially one extending along the wall of a building and supported with arches or columns)
6. Narrow recessed balcony area along an upper floor on the interior of a building; usually marked by a colonnade
7. A horizontal (or nearly horizontal) passageway in a mine