Definition of postaxially in US English:

postaxially

adverb

Anatomy
  • In a postaxial position or direction.

Origin

Late 19th century; earliest use found in St. George Mivart (1827–1900), zoologist and Roman Catholic polemicist. From postaxial + -ly.

Pronunciation

postaxially

/ˌpəʊstˈaksɪəli/