yellow jack Hear it!

yellow jack definition

☆ yellow jack

  1. yellow fever
  2. a yellow flag used as a signal of quarantine
  3. an edible, gold-and-silver marine jack fish (Caranx bartholomaei) found near Florida and the West Indies

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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