Definition of mentoposterior in English:

mentoposterior

adjective

Medicine
  • Designating or relating to a position of the fetal head in a face presentation in which the chin is directed towards the sacrum or a sacroiliac joint of the mother.

Origin

Early 20th century; earliest use found in William Dorland (1864–1956), obstetrician. From mento- + posterior.

Pronunciation

mentoposterior

/ˌmɛntəʊpɒˈstɪərɪə/