Open a French quilt (7)

I believe the answer is:

uncover

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'open' is the definition.
(thesaurus)

'a french quilt' is the wordplay.
'a french' becomes 'un' ('a' in French).
'quilt' becomes 'cover' (I am not sure about this - if you are sure you should believe this answer much more).
'un'+'cover'='UNCOVER'

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(Other definitions for uncover that I've seen before include "Expose, reveal" , "Make visible" , "Reveal - take top off" , "show?" , "make a revelation" .)

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

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