Emily Dickinson Lexicon

SQUEAK, v.i. [Sw. sqväka, to cry like a frog; G. quicken; W. gwiçian, to squeak. This word probably belongs to the family of quack. Class Gk.]

1. To utter a sharp shrill cry, usually of short duration; to cry with an acute tone, as an animal; or to make a sharp noise, as a pipe or quill, a wheel, a door and the like. Wheels squeak only when the axle-tree is dry. Who can endure to hear one of the rough old Romans, squeaking through the mouth of an eunuch? – Addison. Zoilus calls the companions of Ulysses, the squeaking pigs of Homer. – Pope.
2. To break silence or secrecy for fear or pain; to speak. – Dryden.