Definition of Pierian in US English:

Pierian

adjective

  • Of or belonging to Pieria, a district of the Greek region of Macedonia just north of Mount Olympus, regarded as the home of the Muses in Greek and Roman mythology. Hence: of or relating to the Muses, or (by extension) poetry and learning; poetic.

Origin

Late 16th century; earliest use found in Edmund Spenser (?1552–1599), poet and administrator in Ireland. From classical Latin Pīerius of or belonging to Pieria, of or relating to the Muses + -an.