A sibilant sound, up to several seconds long, produced as a threat signal by geese. This term also refers to similar activities in other species such as cats and some reptiles. H08614. Definition from Hurnik et al., 1995.

a fricative sound (especially as an expression of disapproval); "the performers could not be heard over the hissing of the audience"

noisy sound like a sustained `s'; "`hissing' is the sound a snake makes"

The occasion of contempt; the object of scorn and derision.

The act of emitting a hiss or hisses.