The Collaborative International Dictionary of English v.0.48:

Squeak \Squeak\ (skw[=e]k), v. i. [imp. & p. p. Squeaked
   (skw[=e]kt); p. pr. & vb. n. Squeaking.] [Probably of
   imitative origin; cf. Sw. sqv[aum]ka to croak, Icel. skvakka
   to give a sound as of water shaken in a bottle.]
   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, disagreeable noise, as a pipe or quill, a wagon
      wheel, a door; to creak.
      [1913 Webster]

            Who can endure to hear one of the rough old Romans
            squeaking through the mouth of an eunuch? --Addison.
      [1913 Webster]

            Zoilus calls the companions of Ulysses the
            "squeaking pigs" of Homer.            --Pope.
      [1913 Webster]

   2. To break silence or secrecy for fear of pain or
      punishment; to speak; to confess. [Colloq.]

   Syn: squeal.
        [1913 Webster]

              If he be obstinate, put a civil question to him
              upon the rack, and he squeaks, I warrant him.
                                                  --Dryden.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Squeak \Squeak\, n.
   A sharp, shrill, disagreeable sound suddenly uttered, either
   of the human voice or of any animal or instrument, such as is
   made by carriage wheels when dry, by the soles of leather
   shoes, or by a pipe or reed.
   [1913 Webster]

WordNet (r) 3.0 (2006):

squeak
    n 1: a short high-pitched noise; "the squeak of shoes on powdery
         snow"
    2: something achieved (or escaped) by a narrow margin [syn:
       close call, close shave, squeak, squeaker, narrow
       escape]
    v 1: make a high-pitched, screeching noise; "The door creaked
         when I opened it slowly"; "My car engine makes a whining
         noise" [syn: whine, squeak, screech, creak,
         screak, skreak]

Moby Thesaurus II by Grady Ward, 1.0:

71 Moby Thesaurus words for "squeak":
   bark, bawl, bay, bell, bellow, blare, blat, blate, bleat, bray,
   break, call, caterwaul, change, creak, cry, give tongue,
   give voice, grate, howl, keen, look-in, low, meow, mew, mewl,
   miaow, moo, nark, neigh, nicker, occasion, opening, peach, pimp,
   pipe, pule, rat, roar, screak, scream, screech, shot, show, shriek,
   shrill, sing, skirl, skreigh, snitch, squall, squawk, squeal,
   stool, time, troat, ululate, ululation, wail, whicker, whine,
   whinny, whistle, wrawl, yammer, yap, yawl, yawp, yelp, yip, yowl



The Free On-line Dictionary of Computing (30 December 2018):

Squeak

    1. 

   ["Squeak: A Language for Communicating with Mice", L. Cardelli
   et al, Comp Graphics 19(3):199-204, July 1985].

   See Newsqueak.

   2. A Smalltalk implementation and a media authoring tool
   by members of the original Xerox PARC team which created
   Smalltalk (Alan Kay, Dan Ingalls, et al).  Squeak is an
   open-source implementation, with a highly portable virtual
   machine implemented in a subset of Smalltalk (translated into
   C and compiled by a C compiler of the target platform).

   Squeak Home (http://squeak.org/).

   SqueakCentral (http://squeakland.org/).

   (2002-11-03)