ap·o·tro·pa·ic 
(ăp′ə-trō-pāĭk)
(ăp′ə-trō-pāĭk)adj.
Intended to ward off evil: an apotropaic symbol.
[From Greek apotropaios, from apotrepein, to ward off : apo-, apo- + trepein, to turn; see trep- in the Appendix of Indo-European roots.]
ap′o·tro·pai·cal·ly adv.