Meaning of scarlet woman

scar'let wom'an

Pronunciation: [key]
  1. a sexually promiscuous woman, esp. a prostitute or a woman who commits adultery.
  2. a symbol of pagan Rome or, opprobriously, of the church of Rome. Rev. 17:1–6.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.