Crossword Genius

Goat is able to get a water-boiler (5-3)

Ross

I believe the answer is:

billy-can

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'get a water-boiler' is the definition.
I don't know anything about this answer so I cannot judge whether it can be defined by this definition.

'goat is able' is the wordplay.
'goat' becomes 'billy' (billy goat is a kind of goat).
'is able' becomes 'can' (if you can do something, you are able to do it).
'billy'+'can'='BILLY-CAN'

'to' acts as a link.

Can you help me to learn more?

(Another definition for billy-can that I've seen is " Campfire pot".)

I've seen this clue in the Sydney Morning Herald.
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