Beseeches when sent off, concealing a tear drop (8)

I believe the answer is:

entreats

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'beseeches' is the definition.
('entreat' can be a synonym of 'beseech')

I can't explain the remainder of the clue.

(Other definitions for entreats that I've seen before include "Begs earnestly" , "Implores" , "Requests earnestly" , "Beseeches, pleads" .)

I've seen this clue in the Evening Standard.

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