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Definition of "reservoir" []

  • A natural or artificial pond or lake used for the storage and regulation of water. (noun)
  • A receptacle or chamber for storing a fluid. (noun)
  • An underground accumulation of petroleum or natural gas. (noun)
  • Anatomy See cisterna. (noun)
  • A large or extra supply; a reserve: a reservoir of good will. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "reservoir" in a sentence
  • "FRANKEN: And, of course, Pryce is claiming that she is going to rely on what she calls a reservoir of goodwill in her district."
  • "As of this morning, the Albemarle County Service Authority indicates that the reservoir is at 87% capacity."
  • ""Most of our parks are what we call reservoir parks - and so is Gowdy - and the thing the public was telling us was, quite frankly, 'If I don't own a boat or I don't fish, what am I going to do at a park?'""