thigmotactic

enUK

thig·mo·tax·is

T0165000 (thĭg′mə-tăk′sĭs)n. Movement of an organism in response to contact with a solid body.
[Greek thigma, touch (from thinganein, to touch; see dheigh- in Indo-European roots) + -taxis.]
thig′mo·tac′tic (-tăk′tĭk) adj.