The chattering of certain birds; also of apes, etc.: see the verb.

Representing a brief high-pitched sound or call made by a small bird, or a sound similar to or imitating this. Cf. tweet, int.

A light, tremulous sound or call made by a bird; a chirrup, a warble (cf. twitter, v.1 1a). Also: any light, tremulous sound likened to this.

A brief high-pitched sound or call made by a small bird. Cf. tweet, n. 1.

A lively modulated chirp (of a bird or insect).

A deep or low trilled or whirring sound made by some birds, etc.

A brief high-pitched sound or call made by a small bird; a similar sound to this. Also in extended use.

A light, tremulous sound or call made by a bird; a chirrup, a twitter. Also: a sound likened to this.

The short sharp shrill sound made by some small birds and certain insects; a sound made with the lips resembling this; a chirrup.

Twitter.