sex crime

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

• noun A criminal sexual offense, such as rape or sexual abuse, that is identified by law as especially inimical to public decency and safety.

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

• noun a statutory offense that provides that it is a crime to knowingly cause another person to engage in an unwanted sexual act by force or threat