Definition of mesenterial in US English:

mesenterial

adjective

  • 1Anatomy and Zoology. Of or relating to a mesentery of a vertebrate. Now rare.

  • 2Zoology. Of or relating to a mesentery of a coelenterate or other invertebrate.

Origin

Early 17th century; earliest use found in Thomas Tymme (d. 1620), translator and devotional writer. From mesentery + -al.