rooftop

Meanings

1. 1
   noun

   the outside upper surface of a building's roof

   Rescue workers lifted the family from the flooded rooftop.

2. 2
   adj

   situated or taking place on the roof of a building

   The hotel opened a small rooftop garden.

A compound of roof and top, established as a noun for the outer upper surface of a building and later used attributively.

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