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n. pl. ar·ca·na (-nə) or ar·ca·nums
1. A deep secret; a mystery.
2. often arcana Specialized knowledge or details unknown to or misunderstood by the average person: "a private-equity investor whose specialty was the arcana of the banking industry" (Andrew Ross Sorkin).
3. A secret essence or remedy; an elixir.

[Latin arcānum, from neuter of arcānus, secret; see arcane.]


n, pl -na (-nə)
1. (sometimes plural) a profound secret or mystery known only to initiates
2. (Alchemy) a secret of nature sought by alchemists
[C16: from Latin; see arcane]


(ɑrˈkeɪ nəm)

n., pl. -na (-nə).
1. a secret accessible only to the few; mystery.
2. a powerful remedy; elixir.
[1590–1600; < Latin, neuter (used as n.) of arcānus arcane]


a secret or mystery; carefully hidden knowledge. See also alchemy. — arcana, n. pi.
See also: Knowledge
the secret of life; a great elixir or remedy sought by the alchemists. See also knowledge.
See also: Alchemy
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.arcanum - information known only to a special group; "the secret of Cajun cooking"
info, information - a message received and understood
esoterica - secrets known only to an initiated minority
cabala, cabbala, cabbalah, kabala, kabbala, kabbalah, qabala, qabalah - an esoteric or occult matter resembling the Kabbalah that is traditionally secret
countersign, password, watchword, parole, word - a secret word or phrase known only to a restricted group; "he forgot the password"
References in periodicals archive ?
The work, Arcanum, features 17 photographs documenting various stages of a woman's pregnancy.
Arcanum delivers a superbly different slant on the traditional RPG.
Last Things, in the end, reveals the dark possibilities of this discovery process; the novel is propelled by the fear that although we are decoding the cosmic arcanum at an unprecedented rate, we may be too late to save ourselves.
Queene was a lifelong member of the Royal Arcanum Fraternity and The American Church of Our Saviour.
Second-place finisher Mark Brumbaugh, Arcanum, Ohio, made long casts with #5 and #7 Berkley Frenzy Flicker Shads and 400 Series Reef Runner Ripshads to the windy side of rock islands.
Shahbana and Victoria established their business - Meus Arcanum - with the help of the Prince's Trust, after completing honours degrees at the University of Central England.
Prior to joining Unicon, Lewis held positions of chief technology officer for Arcanum Education Solutions and director of product development for Entrada Software Inc.
Transactions between ACA and two insurance carriers, Royal Arcanum and Union Vie were approved in 2009, and all of ACA's U.
But the Milford American Legion team gave him plenty anyway as it cruised past Northampton, 9-0, to complete a sweep of the best-of-three sectional series yesterday at Arcanum Field.
University of Michigan Sarah Hebbes Toronto, Ontario University of Toronto Hillary Hobson Texarkana, Texas Texas Tech University Brittany Knick Arcanum, Ohio Indiana University East Abigail Kurfman Milwaukie, Ore.
today in the second game at Arcanum Field and, if necessary, the deciding game tomorrow afternoon.