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Meaning of cock-a-doodle-doo

cock-a-doo•dle-doo

Pronunciation: (kok'u-dd"l-d'), [key]
— interj., n., pl. v., -doos, -dooed, -doo•ing.
—interj.
  1. (used as a conventionalized expression to suggest the crowing of a rooster, as in stories for children.)
—n.
  1. the loud crow of a cock.
  2. a rooster.
—v.i.
  1. to crow.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.