a. [ L. arcanus. ] Hidden; secret. [ Obs. ] “The arcane part of divine wisdom.” Berkeley. [ 1913 Webster ]
n. [ Dim. fr. F. carcan the iron collar or chain of a criminal, a chain of precious stones, LL. carcannum, fr. Armor. kerchen bosom, neck, kelchen collar, fr. kelch circle; or Icel. kverk troat, OHG. querca throat. ] A jeweled chain, necklace, or collar.