It will come to the rescue, if able to anyhow (8)

I believe the answer is:

lifeboat

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'it will come to the rescue' is the definition.
The definition suggests a singular noun which matches the answer.

'if able to anyhow' is the wordplay.
'anyhow' indicates anagramming the letters.
'if'+'able'+'to'='ifableto'
'ifableto' with letters rearranged gives 'LIFEBOAT'.

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(Other definitions for lifeboat that I've seen before include "Rescuer" , "Vessel to rescue people at sea" , "It rescues people in trouble at sea" , "Vessel used in rescue" , "Sea rescue craft" .)

I've seen this clue in The Globe and Mail.

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