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rooftop

American  
[roof-top, roof-] / ˈrufˌtɒp, ˈrʊf- /

noun

  1. the roof of a building, especially the outer surface.


rooftop British  
/ ˈruːfˌtɒp /

noun

  1. the outside part of the roof of a building

  2. to proclaim (something) publicly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

rooftop Idioms  

Etymology

Origin of rooftop

First recorded in 1605–15; roof + top 1