Meaning of titter

tit•ter

Pronunciation: (tit'ur), [key]
— v.i.
  1. to laugh in a restrained, self-conscious, or affected way, as from nervousness or in ill-suppressed amusement.
—n.
  1. a tittering laugh.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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