Crossword Genius

Where comedy may be performed that may leave you in stitches? (7)

Ross

I believe the answer is:

theatre

I'm a little stuck... Click here to teach me more about this clue!

This might be a double definition.

'where comedy may be performed that' is the first definition.
Although both the answer and definition are singular nouns, I can't see how they can define each other.

'leave you in stitches?' is the second definition.
The definition and answer can be both related to communication as well as being singular nouns.
Perhaps there's a link between them I don't understand?

'may' is the link.

Can you help me to learn more?

(Other definitions for theatre that I've seen before include "Scene of operations or dramatic performances" , "Room for surgery" , "where you may get knifed" , "Building for entertainment" , "where they're in action?" .)

I've seen this clue in The Telegraph.
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