Definitions from Wiktionary ( )

▸ noun:  Moist matter thrown out in small detached particles.
▸ noun:  Confused and hasty speech.
▸ verb:  (intransitive) To emit saliva or spit from the mouth in small, scattered portions, as in rapid speaking.
▸ verb:  (ambitransitive) To speak so rapidly as to emit saliva; to utter words hastily and indistinctly, with a spluttering sound, as in rage.
▸ verb:  (ambitransitive) To throw out anything, as little jets of steam, with a noise like that made by one sputtering.
▸ verb:  (physics, intransitive) To cause surface atoms or electrons of a solid to be ejected by bombarding it with heavy atoms or ions.
▸ verb:  (physics, transitive) To coat the surface of an object by sputtering.

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