Crossword Genius

Sort of tour with topless models (7-4)

Ross

I believe the answer is:

whistle-stop

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'sort of tour' is the definition.
I know nothing about this answer so I cannot tell whether it can be defined by this definition.

'with topless models' is the wordplay.
'models' indicates an anagram.
'with'+'topless'='withtopless'
'withtopless' anagrammed gives 'WHISTLE-STOP'.

Can you help me to learn more?

(Other definitions for whistle-stop that I've seen before include "Fast and with only brief pauses" , "Halt" , "Description of a politician's brief appearance" .)

I've seen this clue in The Guardian.
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