Definition of "arcana" []

• A plural of arcanum. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Being; and "the Son's" recognition of Love as the active principle of this Unity gives him an intuitive insight into all those inner workings of the Universal Life which we call the arcana of Nature."
• "'With a couple of minor contemporary exceptions, there are seventy-eight cards in a standard Tarot pack, divided into the major and the minor arcana - arcana is the Latin word for "secrets"."
• "Nor could it ever forgive him for rendering ludicrous supposed panaceas, the so-called arcana (mumia, ceratum humanum, unicornu)."