Crossword Genius

I am put in a ruined castle for a stretch maybe (7)

Ross

I believe the answer is:

elastic

'for a stretch maybe' is the definition.
(elastic things are designed to be stretched)

I don't understand the remainder of the clue.

(Other definitions for elastic that I've seen before include "Like some bands" , "Kind of band" , "Narrow band of rubber" , "capable of adapting to change?" , "Stuff that stretches to Castile" .)

I've seen this clue in The Globe and Mail.
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