Definition of monocephaly in English:

monocephaly

Pronunciation /ˌmɒnə(ʊ)ˈsɛfəli/ /ˌmɒnə(ʊ)ˈsɛf(ə)li/ /ˌmɒnə(ʊ)ˈkɛfəli/

noun

rare Botany
  • The condition of being monocephalic or monocephalous.

Origin

Late 19th century (in an earlier sense). From mono- + -cephaly, after monocephalic, monocephalous, monocephalus.