lateral
1. lat.er.al \'lat-*-r*l, 'la-tr*l\ \-e-\ aj [L lateralis, fr. later-, latus side] : of or relating to the side : situated on, directed toward, or coming from the side - lat.er.al.ly av 2. lateral n 1: a side ditch or conduit (as in a water system) 2: a mining drift to one side of and parallel to a main drift