hissing
1. [ noun ] a fricative sound (especially as an expression of disapproval)
Synonyms: sibilation hiss
Examples:

"the performers could not be heard over the hissing of the audience"

Related terms: noise hiss boo hiss
2. [ adjective ] like a sustained `s'
Examples:

"`hissing' is the sound a snake makes"

Related terms: noisy
Similar spelling:   hijinks
  Higgins
  Hassinger
  higginson