Definition of adoral in English:

adoral

adjective

Zoology
  • Relating to or denoting the side or end where the mouth is situated, especially in animals, such as echinoderms, that lack clear upper and lower sides.

    • ‘Therefore, in these early stages, the boundary can be drawn between these aboral plates and those formed adoral to the terminals.’
    • ‘These structures improve the resistance of the ammonite septum to pressure upon its main surface in both adapical and adoral directions.’
    • ‘These individuals are rare, are less than 15 mm in test diameter, and contain spines very similar to the thin, gracile, lightly ornamented, adoral spines of larger specimens.’

Origin

Late 19th century: from ad- at + oral.

Pronunciation:

adoral

/aˈdôrəl/