Definition of acridian in English:

acridian

noun

Biology
  • A locust or grasshopper; specifically one of the family Acrididae.

adjective

Biology
  • Designating grasshoppers and locusts, specifically those of the family Acrididae; of or relating to this family.

Origin

Mid 19th century; earliest use found in John Craig (fl. 1847). From scientific Latin Acrida, genus name or its etymon ancient Greek ἀκρίδ-, ἀκρίς locust + -ian.

Pronunciation:

acridian

/əˈkrɪdɪən/