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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A lisp.

from The Century Dictionary and Cyclopedia

  • n. The use or presence of sigma or s; repetition or recurrence of s or of the s-sound.
  • n. Difficult or defective pronunciation of the sound s.


Sorry, no etymologies found.


  • They comprise chiefly: sigmatism or imperfect pronunciation of s; rhotacism or imperfect pronunciation of r; lambdacism or imperfect pronunciation of l; gam -

    The Montessori Method


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