Meaning of acephalan in English:

acephalan

Pronunciation /(ˌ)eɪˈsɛfələn/ /(ˌ)eɪˈsɛf(ə)lən/ /(ˌ)eɪˈkɛfələn/

adjective

rare Zoology
  • Of the former invertebrate class Acephala; designating or relating to this class.

Origin

Mid 19th century (in an earlier sense). From Acephala + -an.