chirp

Chirp, v. i. [imp. & p. p. Chirped; p. pr. & vb. n. Chirping.]

Etymology: [Of imitative orgin. Cf. Chirk, Chipper, Cheep, Chirm, Chirrup.]

To make a shop, sharp, cheerful, as of small birds or crickets.

1 other Webster entry under this spelling

Chirp, n.

A short, sharp note, as of a bird or insect. "The chirp of flitting bird." Bryant.

Shades of meaning

Fernald has no entry of its own for chirp; he lists it under sing.

Where he writes about it:

To chirp is to utter a brief musical sound, perhaps often repeated in the same key, as by certain small birds, insects, etc. — from sing

none given