Synonyms for Gallery (same or very similar meaning)
WordNet sense 1 (a porch along the outside of a building (sometimes partly enclosed)):
veranda, verandah
WordNet sense 2 (a room or series of rooms where works of art are exhibited):
art gallery, picture gallery
WordNet sense 3 (a horizontal (or nearly horizontal) passageway in a mine):
drift, heading
From the ODE community, based on WordNet
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