rove beetle definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of a large family (Staphylinidae) of swiftly moving beetles with a long, slender body and very short elytra: they feed chiefly on decomposing organic matter
rove beetle definition by American Heritage Dictionary
Any of numerous beetles of the family Staphylinidae, often found in decaying matter and having slender bodies and short wing covers. Also called staphylinid.
Origin: Possibly from rove1.