Definition from Wiktionary, the free dictionary
According to this page, the noun vamp has three meanings and is synomous with "seductive woman," implying that a seductress is a musical improvisation - since she obviously isn't a repetition or a shoe part. My goodness, learn something every day!
- See the noun under the second Etymology section. SemperBlotto 22:49, 8 January 2008 (UTC)