Definition: a series of chirps
Similar words: sound
Definition: the sudden occurrence of an audible event
Usage: the sound awakened them
Synonyms: peep, cheep, chirp, chirrup
Definition: make high-pitched sounds
Usage: the birds were chirping in the bushes
Similar words: utter, let loose, let out, emit
Definition: express audibly; utter sounds (not necessarily words)
Usage: She let out a big heavy sigh; He uttered strange sounds that nobody could understand