nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- Any of several slender nonvenomous New World snakes of the genus Masticophis, having a long tail that resembles a whip.
- Any of several similar or related snakes.