- The definition of arcane is something that is secret or that only a few people know about or understand.
An example of arcane rituals would be Masonic rituals.
- hidden or secret
- understood by only a few; esoteric
Origin of arcane; from Classical Latin arcanus: see arcanum
Origin of arcaneLatin arcānus, secret, from arca, chest.
(comparative more arcane, superlative most arcane)
From Latin arcanus (“hidden, secret”), from arcere (“to shut up”), arca (“a chest”).