homodromal

from The Century Dictionary.

• Same as homodromous.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (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.
• adjective (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.