Definition of Peorian in English:

Peorian

noun

US
  • 1A native or inhabitant of Peoria, Illinois. Also allusively: a member of any American community in which plain, down-to-earth, conventional tastes and attitudes prevail.

  • 2Geology. The Peorian deposits; the Peorian interglacial period.

adjective

US
  • Geology. Of, relating to, or designating extensive deposits, especially of loess, laid down during the final Pleistocene (Wisconsin) glaciation of North America. Also: designating an interglacial period between the Iowan and Wisconsin glaciations.

Origin

Mid 19th century; earliest use found in Vanity Fair. From Peoria + -an.

Pronunciation

Peorian

/piːˈɔːrɪən/