noun, plural ar·ca·na [ahr-key-nuh] /ɑrˈkeɪ nə/.
Origin of arcanum
Definition for arcanum (2 of 2)
Examples from the Web for arcanum
This is the grand “arcanum duplicatum” for “Living all the days of your Life.”The Art of Invigorating and Prolonging Life|William Kitchiner
But this is an arcanum which enters into the understanding of only a few.
It is accounted a noble Remedy, known to few, and held as a great Arcanum.A New Voyage to Carolina|John Lawson
I thought it best that the building at Arcanum should be suspended till your return.The Letters of Cicero, Volume 1|Marcus Tullius Cicero
Sir, it is an arcanum, which I have discovered, and prepared with infinite labour.The Expedition of Humphry Clinker|Tobias Smollett
British Dictionary definitions for arcanum
noun plural -na (-nə)
Word Origin for arcanum
Word Origin and History for arcanum
proper singular form of arcana.