Tall building (5)
'tall building' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for skyscraper that I've seen before include "Very tall building" , "UN HQ building, say" , "Very high building" , "lots of flights here" , "High-rise building?" .)
'tall building' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for tower that I've seen before include "Tall feature of Blackpool" , "See 4 Down" , "Minaret, for example" , "Tall structure" , "One drawing" .)