Crossword Genius

Pub right to take the Spanish vat (6)

Ross

I believe the answer is:

barrel

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'vat' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps there's a link between them I don't understand?

'pub right to take the spanish' is the wordplay.
'pub' becomes 'bar' (both are drinking establishments).
'right' becomes 'r' (common abbreviation).
'to take' means one lot of letters go next to another.
'the spanish' becomes 'el' ('the' in Spanish).
'bar'+'r'+'el'='BARREL'

Can you help me to learn more?

(Other definitions for barrel that I've seen before include "''Roll out the ..., let's have a ... of fun'' (WWII song)" , "full of laughs?" , "Cheerful old song: 'Roll out the . . . . . .'" , "Curved wooden vessel" , "Liquor container" .)

I've seen this clue in The Mirror.
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