This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A freestanding, roofed, usually open-sided structure providing a shady resting place.

n. A belvedere.

n. belvedere, either a type of summer-house or a roofed, detached porch-like structure, usually in a yard, park or lawn

n. A summer-house commanding an extensive prospect. Also written gazeebo.

n. Any structure or part of a building which affords or commands an extensive prospect or outlook, as a turret or lantern on the roof of a house, a balcony, a projecting window, or the like.

n. a small roofed building affording shade and rest

"Perhaps your dad was going to make a screened in gazebo or a really large playhouse near the lake."

gazeboes   

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