Squawk \Squawk\, v. i. [imp. & p. p. Squawked; p. pr. & vb. n. Squawking.]

[See Squeak.]

To utter a shrill, abrupt scream; to squeak harshly.

Squawking thrush (Zo["o]l.), the missel turush; -- so called from its note when alarmed. [Prov. Eng.]

Source: Webster's Revised Unabridged Dictionary (1913)