siss

from WordNet (r) 3.0 (2006)
siss
    v 1: express or utter with a hiss [syn: {hiss}, {sizz}, {siss},
         {sibilate}]
    2: make a sharp hissing sound, as if to show disapproval [syn:
       {hiss}, {siss}, {sizz}, {sibilate}]
    
from The Collaborative International Dictionary of English v.0.48
Siss \Siss\, v. i. [Of imitative origin; cf. D. sissen, G.
   zischen.]
   To make a hissing sound; as, a flatiron hot enough to siss
   when touched with a wet finger. [Colloq. U. S.; Local, Eng.]
   [1913 Webster]
    
from The Collaborative International Dictionary of English v.0.48
Siss \Siss\, n.
   A hissing noise. [Colloq. U. S.]
   [1913 Webster]
    

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