A room, group of rooms, or other space where works of art are placed on display, possibly for sale(noun)
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Use "art gallery" in a sentence
"An American, the charismatic Nick Cavendish owned the London art gallery where she worked, as well as others in Paris and New York."
"Brown custom-designed walls bearing the interlocking Yankees logo are accentuated by an archival art gallery of pinstripe lore handpicked by the Steinbrenner ownership."
"As I admire his work, he tells me about the art gallery that he opened in Hollywood, the Celebritarian Corporation."