Webster's Revised Unabridged Dictionary · 1913

Screak

Screak (skrēk) , intransitive verb

[Compare Icelandic skraekja to screech. Compare Creak, v., Screech.]

To utter suddenly a sharp, shrill sound; to screech; to creak, as a door or wheel.

Screak , noun

A creaking; a screech; a shriek. — Bp. Bull