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firmament definition

fir·ma·ment (fʉr′mə mənt)

noun

the sky, viewed poetically as a solid arch or vault

Etymology: ME < OFr < LL(Ec) firmamentum < L, a strengthening, support < firmare: see firm

Related Forms:

  • firmamental fir′·ma·men′·tal (-ment′'l) adjective

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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