The Jolly Roger flag.
Jolly Roger 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.
Historical a black flag of pirates, with white skull and crossbones
Origin: jolly plush Roger, pirate flag ; from Roger
Jolly Roger definition by American Heritage Dictionary
The 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.
A black flag bearing the emblematic white skull and crossbones of a pirate ship.
Origin: Origin unknown.
Jolly Roger - Cultural Definition
A black flag with a white skull and crossbones, flown in past centuries by pirate ships.