Fan out in waste water spout (8)

I believe the answer is:

fountain

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

'water spout' is the definition.
'fountain' can be an answer for 'spout' (thesaurus). I am not sure about the 'water' bit.

'fan out in waste' is the wordplay.
'waste' indicates anagramming the letters (I've seen 'wasting' mean this (waste can mean to destroy)).
'fan'+'out'+'in'='fanoutin'
'fanoutin' anagrammed gives 'FOUNTAIN'.

Can you help me to learn more?

(Other definitions for fountain that I've seen before include "Artificial jet of water" , "Spring of water" , "Man-made jet of water" , "Artificially produced jet of water" , "Ornamental jet of water, usually in public place" .)

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

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