Crossword Genius

Dismal collection returned for pound (7)

Ross

I believe the answer is:

bombard

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'pound' is the definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Maybe you can see a link between them that I can't see?

I don't understand the rest of the clue.

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(Other definitions for bombard that I've seen before include "Attack with missiles" , "Organ stop" , "Batter heavily and persistently" , "Attack persistently" , "Pelt with missiles" .)

I've seen this clue in The Sun.
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