Heterodromous \Het`er*od"ro*mous\, a. [Hetero- + Gr. ? to run.]
1. (Bot.) Having spirals of changing direction. --Gray.
[1913 Webster]
2. (Mech.) Moving in opposite directions; -- said of a lever,
pulley, etc., in which the resistance and the actuating
force are on opposite sides of the fulcrum or axis.
[1913 Webster]