edifice,
building a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"
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= antonym
= relatert ord
Wiktionary
Substantiv
gazebo -
belvedere, either a type of summer-house or a roofed, detached porch-like structure, usually in a yard, park or lawn.