1. Lewdness; vulgarity; obscenity.
2. Material or a performance that is sexually explicit or evocative: "Audiences are still astonished when she goes for the raunch" (Katrine Ames).

[Back-formation from RAUNCHY.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.