A winter form of goods (7)

I believe the answer is:

tinware

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'goods' is the definition.
Both the definition and answer are singular nouns.
Perhaps they are linked in a way I don't understand?

'a winter form' is the wordplay.
'form' indicates anagramming the letters (another form of the letters).
'a'+'winter'='awinter'
'awinter' with letters rearranged gives 'TINWARE'.

'of' acts as a link.

Can you help me to learn more?

(Other definitions for tinware that I've seen before include "Metal items" , "Cheap material" , "Metal utensils" , "can matter?" , "Metal objects" .)

I've seen this clue in The Irish News.

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