(ˈ)e|paksēəl adjective
also ep·ax·on·ic |eˌpak|sänik
Etymology: epaxial from epi- + axial; epaxonic from epi- + Greek axon-, axōn axle, axis + English -ic — more at axis
: located above or on the dorsal side of an axis
• ep·ax·i·al·ly (ˈ)e|paksēəlē adverb