Laments dropping first two vases (4)

I believe the answer is:

urns

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'vases' is the definition.
(urn is a kind of vase)

I cannot understand how the remainder of the clue works.

(Other definitions for urns that I've seen before include "Tall vases" , "Runs to get large vases" , "Containers for ashes" , "Runs to find large vases" , "ballot boxes" .)

I've seen this clue in The Times.

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