Crossword Genius

Edges left out of playground features (5)

Ross

I believe the answer is:

sides

This clue could be a double definition.

'edges left out of playground' is the first definition.
'sides' can be an answer for 'edges' (I've seen this before). I am unsure of the 'left out of playground' bit.

'features' is the second definition.
(side is a kind of feature)

(Other definitions for sides that I've seen before include "camps" , "Faces" , "Flanks, or opposing teams" , "Lines" , "Opposing factions or facets" .)

I've seen this clue in The Guardian.
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