Seductive woman The Count pacified? (4)

I believe the answer is:

vamp

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'seductive woman' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

(Other definitions for vamp that I've seen before include "18 across musically -- seductress" , "Playing, improvise" , "Unsophisticated musical improvisation" , "Seductress; improvise" , "Flirt" .)

I've seen this clue in The Telegraph.

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