wheesh

wheesht (hwiːʃt)

verb
  1. to silence (a person, noise, etc) or to be silent
noun
  1. silence; hush
  2. haud your wheesht! be silent! hush!

Word Origin for wheesh

of imitative origin; compare hush 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012