'cock-a-doodle-doo' definitions:

Definition of 'cock-a-doodle-doo'

From: WordNet
noun
An imitation of the crow of a cock

Definition of 'cock-a-doodle-doo'

From: GCIDE
  • cock-a-doodle-doo \cock-a-doodle-doo\ n. the crowing sound made by a rooster. [WordNet 1.5]