— chirper , n. — chirpingly , adv.
/cherrp/ , v.i.
1. to make a characteristic short, sharp sound, as small birds and certain insects.
2. to make any similar sound: The children chirped with amusement.
v.t.
3. to sound or utter in a chirping manner: The little girl chirped her joy.
n.
4. a chirping sound.
[ 1400-50; late ME chyrpynge (ger.); expressive word akin to CHEEP, CHIRK, etc. ]