Question

A short, sharp and high-pitched sound ma
by small birds and some insects: CHIRP
Laughing lightly and repeatedly out of
amusement or nervousness: GIGGLE
Moving or travelling very quickly: Z __M
The sound produced by something rushing
through air or a liquid:
SWOOSH
A sudden movement of the diaphragm of​

Answer 1

Answer:

short, sharp or high note or noise, as of a bird or insect.

(radar, sonar, radio telescopy etc.) A pulse of signal whose frequency sweeps through a band of frequencies for the duration of the pulse.

Verb

(third-person singular simple present chirps, present participle chirping, simple past and past participle chirped)

(intransitive) to make a short, sharp, cheerful note, as of small birds or crickets

(intransitive) to speak in a high-pitched staccato