water bag Hear it!

water bag definition

water bag

  1. a bag designed to hold water, esp. one with tiny surface pores that allow evaporation, keeping the water cool
  2. the fluid-filled amnion surrounding the fetus in human beings and other placental mammals

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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