Source : Webster's Revised Unabridged Dictionary (1913)

Hiss \Hiss\ v. i. [imp. & p. p. {Hissed}; p. pr. & vb. n.
   {Hissing}.] [AS. hysian; prob. of imitative origin?; cf. LG.
   hissen, OD. hisschen.]
   1. To make with the mouth a prolonged sound like that of the
      letter s, by driving the breath between the tongue and the
      teeth; to make with the mouth a sound like that made by a
      goose or a snake when angered; esp., to make such a sound
      as an expression of hatred, passion, or disapproval.

            The merchants among the people shall hiss at thee.
                                                  --Ezek. xxvii.
                                                  36.

   2. To make a similar noise by any means; to pass with a
      sibilant sound; as, the arrow hissed as it flew.

            Shod with steel, We hissed along the polished ice.
                                                  --Wordsworth.

Hiss \Hiss\, v. t.
   1. To condemn or express contempt for by hissing.

            If the tag-rag people did not clap him and hiss him,
            according as he pleased and displeased them. --Shak.

            Malcolm. What is the newest grief? Ros. That of an
            hour's age doth hiss the speaker.     --Shak.

   2. To utter with a hissing sound.

            The long-necked geese of the world that are ever
            hissing dispraise.                    --Tennyson.

Hiss \Hiss\, n.
   1. A prolonged sound like that letter s, made by forcing out
      the breath between the tongue and teeth, esp. as a token
      of disapprobation or contempt.

            ``Hiss'' implies audible friction of breath
            consonants.                           --H. Sweet.

            A dismal, universal hiss, the sound Of public scorn.
                                                  --Milton.

   2. Any sound resembling that above described; as:
      (a) The noise made by a serpent.

                But hiss for hiss returned with forked tongue.
                                                  --Milton.
      (b) The note of a goose when irritated.
      (c) The noise made by steam escaping through a narrow
          orifice, or by water falling on a hot stove.

Source : WordNet®

hiss
     n 1: a fricative sound (especially as an expression of
          disapproval); "the performers could not be heard over
          the hissing of the audience" [syn: {hissing}, {sibilation}]
     2: a cry or noise made to express displeasure or contempt [syn:
         {boo}, {hoot}, {Bronx cheer}, {raspberry}, {razzing}, {snort},
         {bird}]
     v 1: make a sharp hissing sound, as if to show disapproval [syn:
          {siss}, {sizz}, {sibilate}]
     2: move with a whooshing sound [syn: {whoosh}]
     3: express or utter with a hiss [syn: {sizz}, {siss}, {sibilate}]
     4: show displeasure, as after a performance or speech [syn: {boo}]
        [ant: {applaud}]