Crossword Genius

Meal done, ordered a drink (8)

Ross

I believe the answer is:

lemonade

'a drink' is the definition.
(lemonade is a kind of drink)

'meal done ordered' is the wordplay.
'ordered' indicates anagramming the letters.
'meal'+'done'='mealdone'
'mealdone' is an anagram of 'LEMONADE'.

(Other definitions for lemonade that I've seen before include "Soft drink; Noel made (anag.)" , "something refreshing" , "Do enamel this strange drink" , "Ale demon (anag)" , "Leo named oddly for a soft drink" .)

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