Definition of reliquarian in US English:

reliquarian

adjective

rare
  • Of or relating to a relic or relics.

Origin

Mid 19th century; earliest use found in The Reliquary; a depository for precious relics. Apparently from classical Latin reliquus + -arian, after reliquary.

Pronunciation

reliquarian

/ˌrɛlɪˈkwɛːrɪən/