1. [n]  an utterance (of words) with spitting sounds (as in rage)
2. [n]  the noise of something spattering or sputtering explosively; "he heard a spatter of gunfire"
3. [v]  cause to undergo a process in which atoms are removed; "The solar wind protons must sputter away the surface atoms of the dust"
4. [v]  spit up in an explosive manner
5. [v]  utter with a spitting sound, as if in a rage
6. [v]  climb awkwardly, as if by scrambling
7. [v]  make an explosive sound

SPUTTER is a 7 letter word that starts with S.

1. \Sput"ter\, v. i. [imp. & p. p. {Sputtered}; p. pr. &
   vb. n. {Sputtering}.] [From the root of spout or spit to
   eject from the mputh. Cf. {Splutter}.]
   1. To spit, or to emit saliva from the mouth in small,
      scattered portions, as in rapid speaking.
   
   2. To utter words hastily and indistinctly; to speak so
      rapidly as to emit saliva.
   
            They could neither of them speak their rage, and so
            fell a sputtering at one another, like two roasting
            apples.                               --Congreve.
   
   3. To throw out anything, as little jets of steam, with a
      noise like that made by one sputtering.
   
            Like the green wood . . . sputtering in the flame.
                                                  --Dryden.
   
   

2. \Sput"ter\, v. t.
   To spit out hastily by quick, successive efforts, with a
   spluttering sound; to utter hastily and confusedly, without
   control over the organs of speech.
   
         In the midst of caresses, and without the last pretend
         incitement, to sputter out the basest accusations.
                                                  --Swift.
   
   

3. \Sput"ter\, n.
   Moist matter thrown out in small detached particles; also,
   confused and hasty speech.