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Webster 1913 Edition
Arcanum
‖
Ar-ca′num
,Noun.
pl. 
Arcana
. 1. 
A secret; a mystery; – generally used in the plural. 
Inquiries into the 
arcana 
of the Godhead. Warburton.
2. 
(Med.) 
A secret remedy; an elixir. 
Dunglison.
 Webster 1828 Edition
Arcanum
ARCA'NUM
,Noun.
  Definition 2025
arcanum
arcanum
Latin
Noun
arcanum, -ani n
Related terms
References
- ARCANUM in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
 - arcanum in William Smith., editor (1854, 1857) A Dictionary of Greek and Roman Geography, volume 1 & 2, London: Walton and Maberly