white slave

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A woman or girl forced or induced into engaging in prostitution or sexual acts, especially one who has been transported across a border between states or nations.

from the GNU version of the Collaborative International Dictionary of English.

• A woman held in involuntary confinement for purposes of prostitution; loosely, any woman forced into unwilling prostitution.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun a woman (of European descent) sold into prostitution, especially when transported to a foreign country

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a woman sold into prostitution