diurnal Hear it!

diurnal definition

di·ur·nal (dī ʉr′nəl)

adjective

  1. occurring each day; daily
  2. of, done, or happening in the daytime
    1. Bot. opening in the daytime and closing at night: said of a flower
    2. Zool. active in the daytime

Etymology: ME < L diurnalis < diurnus, daily < dies, day: see deity

noun

  1. Archaic a daily newspaper
  2. Eccles. a service book containing prayers for the daytime canonical hours and for compline

Related Forms:

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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