[thee-uh-doh-shuh n, -shee-uh n]
  1. of or relating to Theodosius I, who made Christianity the official state religion of the Roman Empire.
  2. of or relating to Theodosius II, who issued the earliest collection of the imperial laws (Theodosian Code).

Origin of Theodosian

1755–65; Theodosi(us) + -an Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for theodosian

Historical Examples of theodosian