Meaning of the word arcane in English

What does arcane mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

arcane

US /ɑːrˈkeɪn/
UK /ɑːˈkeɪn/

Adjective

mysterious and known only by a few people:

Example:
He was the only person who understood all the arcane details of the agreement.