Crossword Genius

A lady's drink? (4)

Ross

I believe the answer is:

char

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

This clue could be a double definition.

'a lady's' is the first definition.
The definition and answer can be both people as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'drink?' is the second definition.
(I've seen this before)

Can you help me to learn more?

(Other definitions for char that I've seen before include "Tea (sl.)" , "Singe, scorch" , "House cleaner" , "Scorch, small fish" , "Burn slightly" .)

I've seen this clue in the Evening Standard.
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