CHIRPER
Chirp"er, n.

Defn: One who chirps, or is cheerful.

CHIRPING
Chirp"ing, a.

Defn: Cheering; enlivening.
He takes his chirping pint, he cracks his jokes. Pope.

CHIRPINGLY
Chirp"ing*ly, adv.

Defn: In a chirping manner.

CHIRRE Chirre, v. i. Etym: [Cf. G. girren, AS. corian to murmur, complain. *24.]

Defn: To coo, as a pigeon. [Obs.]

CHIRRUP
Chir"rup, v. t. [imp. & p. p. Chirruped; p. pr. & vb. n. Chirruping.]
Etym: [See Chirp.]

Defn: To quicken or animate by chirping; to cherup.