AC - See Crowley

Action Card or AC - A card drawn at the end of a reading. This card will suggest a concrete action that the querent can take that will help their situation. It may involve others or it may simply be a way that they can nurture themselves until their difficulty ends. Not every situation can be changed, but sometimes just having something constructive to do in the meantime can be a great anxiety reliever.

AoC or 2oC - as in Ace of Cups, 2 of Cups etc.

AEW - Arthur Edward Waite the designer of the Rider-Waite deck and a member of the Golden Dawn.

ATA - American Tarot Association

BB - Big Book that either comes with a boxed set which includes cards and a book, or a book that is bought separately.

BOTA or Bota or B.O.T.A. -  Builders of the Adytum.  A Non-Profit Corporation Based on the Mystical-Occult Teachings and Practices of the Holy Qabalah and Sacred Tarot  - started by Paul Foster Case.

BOT - Book of Thoth by Aleister Crowley

Boxed Set or BS - A tarot deck that comes with a book that is larger than the little white book that comes with just a deck of tarot cards [see LWB].

Clarifying Card(s) - A card or cards drawn in order to glean more information, usually about another card (often used with court cards). 

CC - Celtic Cross Spread

CLC or CC - Clarifying Card or Cards.  See 'Clarifying Card(s)'.

Correspondences - Other systems of divination that are matched to a card as in Astrology, Runes, I -Ching, Hebrew Alphabet, Kabbalah, and any number of other systems. Example: The High Priestess card corresponds to the Moon (not the card), Perth, & Gimel, Path 13 on the Tree of Life (ToL).

Crowley or AC - Aleister Crowley the designer of the Thoth deck and author of many books - including the Book of Thoth, (See - Uncle Al ).

CT - Comparative Tarot when you do a reading using additional decks as a comparison (also the nick name for the Comparative Tarot Yahoo group).
[ http://groups.yahoo.com/group/ComparativeTarot/ ]

DM or DM's - Divinatory Meaning or Divinatory Meanings for the tarot cards [as well as other things].

ED or ED's - Elemental Dignities (doing a reading based on how strong or weak a card is depending on the surrounding elements of the cards)

GD or Golden Dawn - an esoteric group.  During the time period of 1888 to 1903 the group had it's heyday with members like Waite, Mathers, and Crowley.  The group still exists but is only a meager shadow of what it once was.

HR Deck - The Hanson-Roberts deck by Mary Hanson-Roberts.

ID - Ill-dignified (used when reading elemental dignities - see ED's). Example: The Lovers [ID].

IMO or imo - In My Opinion

Kabbalah, kabala, kabalah, qabalah, qabala, cabala, cabbala, kaballah, kabbala, kaballah, and qabbala - A body of mystical teachings of rabbinical origin, often based on an esoteric interpretation of the Hebrew Scriptures.
[ http://www.digital-brilliance.com/kab/faq.htm ]

Layout - how the tarot cards are laid out [placed]  in order to perform a reading. [See Spread]

LWB - The little white book (or pamphlet) that comes with most decks.

OOP - Out of Print

OZ or OZT Deck - Osho Zen Tarot Deck
[ http://www.nodntap.net/tarot/osho_zen_deck.shtml ]

Pixie Smith - Pamela Coleman-Smith, artist of the Rider-Waite deck, [See: RW and RWS deck].

PKT - the book, 'The Pictorial Key to the Tarot' by Arthur Edward Waite.  See RW and RWS.

PoP, KnoW, QoS, KoC, 7oS - Shorthand for Page of Pentacles, Knight of Wands, Queen of Swords, King of Cups, 7 of Swords, etc. Any pip or court can be designated thusly.

Poppers or Jumpers - Cards that fall out, fly out, or pop out of the deck while shuffling and cutting.  Some people read these cards because they believe they are meaningful - others [like me] just stick them back into the deck because they believe they are meaningless.

POV or pov - Point of View

RobW - The Robin Wood tarot deck
[ http://www.nodntap.net/tarot/robin_wood_deck.shtml ]

RRWT or RRW - The 'Radiant Rider-Waite Tarot' deck.  A re-coloring of the RWS deck to give it something of a three-dimensional look by Virginijus Poshkus.
[ http://www.aeclectic.net/tarot/cards/radiant-rider-waite/ ]

RW - The Rider Waite deck. Rider was the original publisher of the book, Arthur Edward Waite designed the deck, and Pamela Coleman-Smith drew the deck with the guidance of Arthur Waite. Same as RWS.

RWS - The Rider-Waite-Smith deck. This is just another name for the RW [Rider-Waite] deck. 'Rider' was the original publisher of the deck, Waite is for Arthur Edward 'Waite' who directed the designing of the deck, and Pamela Coleman-'Smith' who designed and drew the deck with the guidance of Waite. Same as RW.

Rx - Reversed Card - when a card comes out upside down.  Example: The Lovers [Rx].

Significator - A card chosen to represent the seeker/querent. This card is often a court card (but not always) that best exemplifies the seeker's persona.

Small Press (or Self Published) - A printing of a deck that is not mass marketed. You won't find it in your local bookstore, or most likely won't... although we did have a discussion on what exactly small press was, I tend to think that's how this term is used.

Spread - The way the tarot cards are set out in order to perform a tarot reading.  Usually - but not always - each place/position in the spread/layout has a meaning.

TABI - Tarot Association of the British Isles

TarotL - a tarot group on Yahoo groups.
[ http://groups.yahoo.com/group/TarotL/ ]

TFL - Tarot For Life, A tarot forum.
[ http://groups.msn.com/TarotForLife/index.msnw ]

Throw - as in throw a spread - which means to lay out the cards in a spread.

TOL or ToL or tol - Tree of Life as normally used with the Kabbalah.  It is also a tarot spread.
[ http://www.byzant.com/kabbalah/ ] [ http://www.geocities.com/Athens/2377/Layouts/Tree.html ]

Uncle Al - Aleister Crowley creator of the Crowley/Thoth deck.

WS Deck - See: RWS.

UW - Universal-Waite deck. The Rider-Waite deck re-colored by Mary Hanson-Roberts.