/ Dictionary / Index T thigmotaxis: Meaning and Definition of Find definitions for: thig•mo•tax•is Pronunciation: (thig"mu-tak'sis), [key] — n. Biol. movement of an organism toward or away from any object that provides a mechanical stimulus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thigh-slapper thigmotropism Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language