Substantial drink (5)

I believe the answer is:

stout

I believe this is a double definition.

'substantial' is the first definition.
(I've seen this in another clue)

'drink' is the second definition.
(stout is a kind of drink)

(Other definitions for stout that I've seen before include "Robust; drink" , "Strong; drink" , "Beer with malt" , "Portly - type of dark beer" , "Portly - porter" .)

I've seen this clue in The Telegraph.

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