What is "adaxial"

a. 1 (context botany English) On the side that is towards the axis or central line, usually on the upper side. 2 (''developmental biology'') adjacent to the axis, or in vertebrates the notochord.

adj. nearest to or facing toward the axis of an organ or organism; "the upper side of a leaf is known as the adaxial surface" [syn: ventral] [ant: abaxial]