Planet spun quickly by the sound of it (5)

I believe the answer is:

world

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'planet' is the definition.
(I know that world is a terrestrial planet)

I don't understand the rest of the clue.

(Other definitions for world that I've seen before include "Planet like the earth" , "good deal" , "Everything that exists anywhere" , "we're happy to be on top of" , "Annual US baseball championship games" .)

I've seen this clue in The Telegraph.

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