CHIRRUPING
Verb
chirruping
present participle of chirrup
Noun
chirruping (plural chirrupings)
The act of producing a chirrup sound.
Time passed; Moira grew up, chronologically; but Sir Watney went on treating her as a spoilt child, went on being enchanted by her birdy chirrupings and ingenuousnesses and impertinent enfant-terrible-isms.
Source: Wiktionary
CHIRRUP
Chir"rup, v. t. [imp. & p. p. Chirruped; p. pr. & vb. n. Chirruping.]
Etym: [See Chirp.]
Definition: To quicken or animate by chirping; to cherup.
Chir"rup, v. i.
Definition: To chirp. Tennyson.
The criket chirrups on the hearth. Goldsmith.
Chir"rup, n.
Definition: The act of chirping; a chirp.
The sparrows' chirrup on the roof. Tennyson.
Source: Webster’s Unabridged Dictionary 1913 Edition