Thigmotaxis
Pronunciation : Thig`mo*tax"is, n. [NL.
Part of Speech : fr.
Definition : Defn: The property possessed by living protoplasm of contracting, and thus moving, when touched by a solid or fluid substance.
When the movement is away from the touching body, it is negative thigmotaxis; when towards it, positive thigmotaxis.
Gr. touch + an arranging.] (Physiol.)
Source : Webster's Unabridged Dictionary, 1913