D defs.my
Entry 2 senses Webster, 1913

Arcadian

/ärˌ-kād'-ē-ən/ · Ar·ca·di·an · IPA /ɑɹˈkeɪdɪən/
01 a. Of or pertaining to Arcadia; pastoral; ideally rural; as, Arcadian simplicity or scenery.
  1. 1.
    Of or pertaining to Arcadia; pastoral; ideally rural; as, Arcadian simplicity or scenery.
  2. 2.
    the dialect of Ancient Greek spoken by Arcadians.