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English definition of “rooftop”

rooftop

noun [C usually plural]     /ˈruːf.tɒp/ US  /-tɑːp/
the outside surface of the roof of a building: a magnificent view of the rooftops Police marksmen with rifles were stationed on the rooftops.Roofs and parts of roofs
(Definition of rooftop noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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