Source : Webster's Revised Unabridged Dictionary (1913)

Homodromal \Ho*mod"ro*mal\, Homodromous \Ho*mod"ro*mous\, a.
   [Homo- + Gr. ? a course, running.]
   1. (Bot.) Running in the same direction; -- said of stems
      twining round a support, or of the spiral succession of
      leaves on stems and their branches.

   2. (Mech.) Moving in the same direction; -- said of a lever
      or pulley in which the resistance and the actuating force
      are both on the same side of the fulcrum or axis.