Definition of echiurian in English:

echiurian

noun

rare
  • Echiuran.

adjective

rare
  • Echiuran.

Origin

Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From scientific Latin Echiurus + -ian.

Pronunciation

echiurian

/ɛkɪˈ(j)ʊərɪən/