Lever found where birds can get a drink? (7)

I believe the answer is:

crowbar

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'lever' is the definition.
(I know that crowbar is a type of lever)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for crowbar that I've seen before include "Purchase may be obtained from this" , "Powerful opener" , "Tool for breaking and entering" , "Metal rod used as a lever" , "Lever used for opening or lifting" .)

I've seen this clue in The Irish News.

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