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Meaning of crepuscular

cre•pus•cu•lar

Pronunciation: (kri-pus'kyu-lur), [key]
— adj.
  1. of, pertaining to, or resembling twilight; dim; indistinct.
  2. appearing or active in the twilight, as certain bats and insects.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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