Definition of memorious in US English:

memorious

adjective

rare, literary
  • 1Having a good memory; †mindful of (obsolete).

  • 2Memorable; evocative of or rich in memories.

Origin

Early 16th century; earliest use found in Henry Bradshaw (d. 1513), scholar and hagiographer. From post-classical Latin memoriosus having a good memory, probably partly via Italian memorioso and Middle French memorieux having a good memory.

Pronunciation

memorious

/mɪˈmɔːrɪəs/