Crossword Genius

Dish he’s ordering (7)

Ross

I believe the answer is:

charger

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

This clue could be a double definition.

'dish' is the first definition.
(I have seen 'old dish' mean 'charger' so perhaps 'dish' could also mean 'charger')

'he's ordering' is the second definition.
Although both the answer and definition are singular nouns, I can't understand how they can define each other.

Can you help me to learn more?

(Other definitions for charger that I've seen before include "He doesn't mean it to be a gift" , "Warhorse - electrical device - plate" , "Battle horse" , "One asking money for" , "One may provide juice" .)

I've seen this clue in the Evening Standard.
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