tripodic

tripodic

(traɪˈpɒdɪk)
adj
denoting a method of walking, found in some insects, in which two legs on one side of the body and one leg on the other side move at the same time
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014