Source : Webster's Revised Unabridged Dictionary (1913)

Quiesce \Qui*esce"\, v. i. [imp. & p. p. {Quiesced}; p. pr. &
   vb. n. {Quiescing}.] [L. quiescere, akin to quies rest,
   quiet. See {Quiet}, a. & n.]
   To be silent, as a letter; to have no sound. --M. Stuart.

Source : WordNet®

quiesce
     v : become quiet or quieter; "The audience fell silent when the
         speaker entered" [syn: {quieten}, {hush}, {quiet}, {quiet
         down}, {pipe down}] [ant: {louden}]

Source : Free On-Line Dictionary of Computing

quiesce
     
         To render quiescent, i.e. temporarily inactive or
        disabled.  For example to quiesce a device (such as a digital
        modem).  It is also a system command in MAX TNT software which
        is used to "Temporarily disable a modem or DS0 channel".
     
        Also used as an adjective, in the expression "{quiesce time}".
     
        (2000-03-05)