Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A plural of arcanum.
Century Dictionary and Cyclopedia
- n. Plural of arcanum.
Wiktionary
- n. Plural form of arcanum.
- n. Specialized knowledge that is mysterious to the uninitiated.
Examples
“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).”
“Each persona belongs to an arcana which is based on tarot cards.”
“To be sure, with the licences of interpretation, which the Fathers of the first three or four centuries allowed themselves, and with the 'arcana' of evolution by word, letter, allegory, yea, punning, which they applied to detached sentences or single phrases of Holy Writ, it would not be easy to imagine a position which they could not 'shew in Scripture.”
“Kairos is the kind of arcana I expect in my cryptic tweets from a man who isn't the Stanford football coach, but the Bradford M. Freeman”
“Because, upon taking a few minutes after lunch to look it up in the Sterling Memorial Library — that incomparable treasury of arcana — I find that the term exists in a generous handful of slightly different forms, none of which, it turns out, ends in – ums:”
“It employs a host of translators—human beings, not machines—who turn foreign arcana into fluent English every day.”
The Wall Street Journal: Today's News, Brought to You by Your Friends at the CIA
“Arcadia" is set in an English country house in the early 1800s and the recent past and touches on such arcana as chaos theory.”
The Wall Street Journal: Stoppard Play 'Arcadia' Next Up in a String of British Exports
“In briefing President Barack Obama one day this spring, White House economist Jared Bernstein delved into such arcana as the yields on different forms of credit relative to the risk.”
Lists
These user-created lists contain the word ‘arcana’.
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gre2
aberrant, aberration, aboveboard, abrasive, abstemious, acme, admonish, affable, affluent, alacrity, allegory, alleviate and 1901 more...
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dandy's list
favourite words
cattywampus, wibble, fenagle, whisker, sneeze, wisteria, honeysuckle, clove, perihelion, glimmer, twilight, dusk and 264 more...
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Just 'cause I like 'em, A
abaculus, abacus, abaft, abarticular, abbreviate, abeyance, abiding, anthocyanin, antemeridian, arcane, adjure, adduce and 418 more...
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Travels with a Donkey in the Cevennes
Words I had to look up, or I liked, from Robert Louis Stevenson's travelogue 'Travels with a Donkey in the Cevennes'.
pediment, drugget, raiment, scurrilous, stripling, distaff, calumniate, valise, stolid, appurtenance, spencer, vaticination and 42 more...
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imogen's Words
coagitate, cloche, harum-scarum, foxglove, cryptolect, cant, roux, angora, duff, ulysse, schadenfreude, pepperpot and 315 more...
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je les adore!
fusillade, foal, celestial, abattoir, byzantium, berlin, casablanca, babylon, balkans, albion, avalon, between the devil... and 471 more...
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Revised GRE Wordlist_2013
Vocabulary building for my quest of GRE 2013
ephemeral, esoteric, rhetoric, censure, egregious, pittance, dupe, mulct, paucity, alacrity, maintain, laconic and 997 more...
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My Revised GRE Preparation List
Words from the new GRE : This list consists mostly of words from the book Magoosh-GRE-vocab-ebook, which is one of the best vocab materials available, especially if you have started preparing one ...
mulct, dupe, pittance, stipend, defray, cupidity, avarice, prodigal, profligate, affluent, insolvent, penurious and 533 more...
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stpeter's Words
abase, abasement, abashed, abdicate, aberrant, abeyance, abhor, abhorrent, abide, abject, ablation, abnegation and 3536 more...
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Some Words I Love to Use
arcology, strumpet, crux, confected, pedant, bluestocking, cogitation, incensed, lovecraftian, cygnet, dactyl, adytum and 539 more...
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Monovocalics
Words that have only one of the vowels. On this list I include only words with at least three vowels. When I first started the list, if a word had several forms, I generally listed only the one wit...
syzygy, mirific, cumulus, homolog, monocot, bedewed, jezebel, referee, bikini, minikin, locomotor, terebenthene and 2359 more...
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kevincooper's Words
prosopopeia, lisle, magisterial, zeitgeist, zeugma, bloviate, apocryphal, bon mot, cacophony, euphony, brigandier, micturition and 313 more...
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Words of the Day
glabella, chirotony, nook-shotten, crapehanger, filemot, swirlie, egosurf, lexiphanicism, Ruritanian, stichometry, chrononaut, faldstool and 2050 more...
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Words next
patrimony, cacophony, fearsome, coruscating, coruscating, coruscating, dolomite, dolorous, transdermal, chatty cathy, chatterbox, incessantly and 249 more...
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GRE words plus
Words that will probably only come in handy for the GRE or whatnot.
matutinal, foment, peremptory, credal, simony, cloture, syncretism, salubrious, fordable, semiotic, phratry, adduction and 95 more...
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Words I have learned that I can't eve...
fillip, tocsin, subfusc, lacuna, popinjay, sylvan, dubiety, doff, mimetic, cogitate, chthonic, neophyte and 134 more...
Tweets
Looking for tweets for arcana.

johnmperry The Major Arcana are the trumps of Tarot cards;
the Minor Arcana are the numbered pip Tarot cards Jul 18, 2008