lisp(redirected from Lisp (speech))
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lisp(lĭsp) [AS. wlisp, lisping]
A substitution of sounds owing to a defect in speech, as of the “th” sounds of “thin” and “then” for “s” and “z.”
Medical Dictionary, © 2009 Farlex and Partners
lispAn anomaly in the production of ‘ssssss’ sounds (sibilants) in speech in which the tip of the tongue is protruded between the teeth instead of being placed high and close to the hard palate behind the upper front teeth. The lisp is largely under voluntary control and can be corrected by speech therapy.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005