from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An excessive secretion of saliva.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Drooling; the flow of excess saliva from the mouth.

from The Century Dictionary and Cyclopedia

  • n. Excessive flow of saliva; ptyalism; salivation.


Greek sialon, saliva + -rrhea.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • And now I wish I had included more from my informed consent spiel, mentioned the sialorrhea, and maybe talked about that one time I pushed it too fast...

    Archive 2008-05-01

  • The guidelines also recommend doctors consider offering their patients botulinum toxin B to treat sialorrhea, also known as drooling, if oral medications do not help.

    Science Blog - Science news straight from the source


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  • Now diarrhea, I've heard of it,
    And know it's an excess of shit,
    But had no idea
    That sialorrhea
    Is the word for a surfeit of spit.

    December 13, 2015

  • This kind of drooling isn't what you do while sleeping, but rather the slack-jaw, resting drooling caused by being zoned out on sedatives or antipsychotic drugs.

    December 6, 2009