- The definition of abaxial refers to a position on the opposite side of or away from the axis.
- An example of abaxial is the lower part of a leaf that faces away from the plant's stem.
- In biology, the dorsal or back fin of a fish is on the abaxial side from the belly.
away from or facing away from the axis: the abaxial surface of a leaf
Origin of abaxialab- + axial
Located away from or on the opposite side of the axis, as of an organ or organism.