Snake's breath (4)

I believe the answer is:

wind

I believe this clue is a double definition.

'snake's' is the first definition.
(I've seen this before)

'breath' is the second definition.
(wind is a kind of breath)

(Other definitions for wind that I've seen before include "Curl; knock breath out of" , "Meander, breeze" , "Twist; air movement" , "Take turns" , "Move on a twisting path" .)

I've seen this clue in The Independent.

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