Merriam-Webster's Collegiate® Dictionary, 11th Edition
SQUEAK
I. verb
Etymology: Middle English squeken, of imitative origin
Date: 14th century
intransitive verb to utter or make a short shrill cry or noise, squeal 2a, to pass, succeed, or win by a narrow margin , transitive verb to utter in a shrill piping tone,
II. noun
Date: 1700
a sharp shrill cry or sound, escape , squeaky adjective