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Any of numerous beetles of the family Staphylinidae, often found in decaying matter and having slender bodies and short wing covers. Also called staphylinid.
[Possibly from rove.]
(Animals) any beetle of the family Staphylinidae, characterized by very short elytra and an elongated body: typically they are of carnivorous or scavenging habits
any of numerous beetles of the family Staphylinidae, having a slender, elongated body and very short front wings, and capable of running swiftly.
[1765–75; appar. rove1]