'Siss' definitions:
Definition of 'siss'
From: WordNet
Definition of 'Siss'
From: GCIDE
- 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]
Definition of 'Siss'
From: GCIDE
- Siss \Siss\, n. A hissing noise. [Colloq. U. S.] [1913 Webster]