Benders in the garden? (6)

I believe the answer is:

bowers

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'benders in the garden?' is the definition.
Although both the answer and definition are plural nouns, I cannot understand how they can define each other.

This is the entire clue.

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(Other definitions for bowers that I've seen before include "Leafy shelters, often romantic" , "Pleasant shady places under climbing plants" , "Leafy shelters in gardens (6)" , "Arbours, pergolas" .)

I've seen this clue in the Evening Standard.

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