Pronunciation: (chēr'up, chûr'-), [key]
—v., -ruped, -rup•ing,
1. to chirp: robins chirruping on the lawn.
2. to make a similar sound: She chirruped softly to encourage the horse.
1. to utter with chirps.
2. to make a chirping sound to.
the act or sound of chirruping: a chirrup of birds.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.