chirp

plural chirps

1. A short, sharp or high note or noise, as of a bird or insect.
2. radar; sonar; radio telescopy etc.; radar; sonar; radio telescopy etc.A pulse of signal whose frequency sweeps through a band of frequencies for the duration of the pulse; the quality of having a such a variation in frequency.

   The long fiber lengths required to linearize the chirp can then be used […]

   1985, D. Strickland, & G. Moreau, “Compression of amplified chirped optical pulses”, in Optics Communications, volume 56, number 3, pages 219-221

present singular third person chirps · participle present chirping · participle past chirped · past chirped

1. intransitiveTo make a short, sharp, cheerful note, as of small birds or crickets; to chitter; to twitter.

   "Well, I suppose you didn't come out of the egg either before you could chirp," said the woman who was on the egg.

   1886, Peter Christen Asbjø￵rnsen, translated by H.L. Brækstad, Folk and Fairy Tales, page 95

2. intransitiveTo speak in a high-pitched staccato.
3. transitiveradar; sonar; radio telescopy etc.; radar; sonar; radio telescopy etc.To modify (a pulse of signal) so that it sweeps through a band of frequencies throughout its duration.
4. obsoletetransitiveTo cheer up; to make (someone) happier.
5. CanadaTo speak rapid insulting comical banter back and forth; to bicker or argue.
6. UKobsoleteslangTo inform on someone; snitch.