In the cold, move rapidly (but not far) (6)

I believe the answer is:

shiver

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'in' is the definition.
Although both the answer and definition are singular nouns, I don't see how they can define each other.

I don't understand the remainder of the clue.

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(Other definitions for shiver that I've seen before include "Tremble from cold or with fear" , "Tremble convulsively" , "Shake with cold; splinter" , "Tremble, shatter" , "Shake (with cold, excitement etc)" .)

I've seen this clue in the Evening Standard.

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