Sort of glass dish? (5)

I believe the answer is:

plate

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This clue could be a double definition.

'sort of glass' is the first definition.
'plate' can be an answer for 'glass' (thesaurus). I'm not sure about the 'sort of' bit.

'dish?' is the second definition.
(plate is a kind of dish)

Can you help me to learn more?

(Other definitions for plate that I've seen before include "Helping of food" , "Shallow vessel" , "horseshoe" , "Salver" , "Leapt (anag.)" .)

I've seen this clue in the Evening Standard.

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