Crossword Genius

Horizontal surface (5)

Ross

I believe the answer is:

floor

'horizontal surface' is the definition.
(floor is a kind of horizontal surface)

This is the entire clue.

(Other definitions for floor that I've seen before include "Inside horizontal surface" , "Defeat" , "fell" , "Base of room - storey" , "Dumbfound" .)

I've seen this clue in The Irish Times.
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