/trip"tik/ , n.
1. Fine Arts. a set of three panels or compartments side by side, bearing pictures, carvings, or the like.
2. a hinged, three-leaved tablet, written on, in ancient times, with a stylus.
[ 1725-35; tríptychos of three plates, equiv. to tri- TRI- + ptych- (s. of ptýx ) plate + -os adj. suffix ]