chirping
verb
Definitions
To make a short, sharp, cheerful note, as of small birds or crickets
To speak in a high-pitched staccato
(radar, sonar, radio telescopy etc.) To modify (a pulse of signal) so that it sweeps through a band of frequencies throughout its duration.
To cheer up; to make (someone) happier.
noun
Definitions
(gerund of chirp) An instance of chirping