Bar-None Drinking Dictionary
Hundreds of definitions for ingredients and techniques used in mixing alcoholic beverages.
http://www.barnonedrinks.com/tips/dictionary/

Compressed Air Glossary of Terms
A glossary on compressed air.
http://www.impactrm.com/glossary/

GlossPost
Glossaries' mailing list for translators, interpreters, terminologists and technical writers.
http://groups.yahoo.com/group/GlossPost/

Oil Analysis, Lubrication and Filtration Terms
Online, searchable collection of lubrication and oil analysis terminology.
http://www.noria.com/dictionary.html

Universal Switching's Glossary of Electronic Terms
Available in html or pdf formats.
http://www.uswi.com/glosmain.htm

Super Gigantic Y2K Winegrape Glossary
Cross-referenced glossary of wine grape varieties.
http://www.wineloverspage.com/wineguest/wgg.html

Antique Bottle Terms
Terms used to identify and describe the condition of antique bottles.
http://www.antiquebottles.com/glossary.html

Apparel Vocabulary
User contributed glossary of fashion and apparel terms.
http://www.apparelsearch.com/glossary.htm

Natural History Terms
Glossary of terms used by practicing biologists and paleontologists in various fields.
http://www.ucmp.berkeley.edu/glossary/glossary.html

Rock Art Glossary
Glossary of terms used in the study of Native American Indian rock art.
http://www.geocities.com/Athens/Acropolis/5579/glossary.html

Speleological and Caving Terms
Australian Speleological Federation glossary of speleological and caving terms with references to related literature.
http://home.mira.net/~gnb/caving/glossary/S.html

Fins' Aquarium Glossary
Vocabulary relating to aquariums.
http://fins.actwin.com/glossary.php

Cat Dictionary
Lynne Marie Stockman's collection of terms relating to cats.
http://www.obliquity.com/cats/diction.html

Cat Fancier's Glossary
Glossary, acronyms, list of titles and breed descriptions.
http://www.fanciers.com/other-faqs/gloss.html

Glossary of Common Latin Terms Found in Imprints of Early Printed Books
Includes examples of usage.
http://www.lib.byu.edu/~catalog/people/rlm/glossary/glossary.htm

Whisky glossary
Small glossary of whisky and general distilling terms with diagrams.
http://www.dcs.ed.ac.uk/home/jhb/whisky/glossary.html

Sushi Vocabulary
Glossary of sushi-related terms and Japanese names for common fish served as sushi.
http://sushiref.com/glossary/

Tealand Tea Words
Glossary of tea preparation and production terminology.
http://www.tealand.com/Glossary.htm

Mobspeak
Common slang terms used by "the Mob" extracted from "The Mafia Handbook" by Douglas Le Vien, Jr.
http://www.uta.fi/FAST/GC/mobspeak.html

1960s Slang
Collection of some slang words used in the 1960's.
http://cougartown.com/slang.html

Texas Talk
Collection of words, phrases and slang used in Texas.
http://www.rice.edu/armadillo/Texas/talk.html

Learning Disabilities Terms
Compilation of learning disabilities terms and definitions adapted from a number of sources.
http://www.ldonline.org/ld_indepth/glossaries/ld_glossary.html

Paper Money Glossary
Terms used in the collection, study and production of paper money.
http://www.atsnotes.com/other/glossary.html

PCGS Coin Collecting Glossary
Terms and slang of the rare coin market.
http://www.pcgs.com/lingo.chtml

Cargo Shipping Acronyms
Glossary of Cargo-Shipping terminology.
http://www.worldcargoalliance.com/Library/globaldata/terms.htm

Leather Terms
Glossary of the most common terms used in the leatherworking industry.
http://www.irvingtanning.com/leather_glossary.htm

Dictionary of Financial Scam Terms
A guide to financial terms as distorted by con artists to defraud victims.
http://www.fraudaid.com/Dictionary-of-Financial-Scam-Terms/

Olah.com - Denim Survival Guide
Includes a dictionary of textile terms.
http://olah.com/

Glossary of Terms for Dyeing
Terms related to the dyeing of textiles.
http://www.prochemical.com/glossary.htm

Silicon Valley Slang
Technical terms and expressions commonly used in Silicon Valley.
http://www.siliconvalleyslang.com/

Glossary on Transnational Organized Crime
Collection of English, Russian and French language terms by Roman Nazarov.
http://crimeglossary.wruss.com/

Jargon Scout
Trendy internet jargon. No longer updated; last update was June 2001.
http://www.tbtf.com/jargon-scout.html

Pueblo Pottery
Glossary of Pueblo-specific and general related pottery vocabulary.
http://www.ipl.org/div/pottery/glossary.htm

Police Jargon
Glossary of police terms and acronyms from the North Yorkshire Police Department (UK).
http://www.northyorkshire.police.uk/jargon.asp

Glossary of Library Terms
List provided by Cornell University Library.
http://www.library.cornell.edu/newhelp/glossary.html

Perfumery Glossary
Collection of terms for fragrances, cosmetics, and their ingredients.
http://perfumes.net/perfumes/glossary.html

Glossary for the Modern Soap Maker
A collection of soap making terms, definitions and acronyms.
http://www.ccnphawaii.com/glossary.htm

Dictionary of Gambling
Terms covering gambling, casino games, and the sports on which money is bet.
http://www.dictionaryofgambling.com/

BKWine's Short Gastronomic Glossary
A short gastronomic glossary with food and restaurant terms in English, French and Swedish.
http://www.bkwine.com/ordlista_glossary/ordlista.htm

An Espresso Glossary
Terms encountered when talking about or using espresso machines.
http://www.coffeegeek.com/opinions/markprince/07-20-2004

Sex-Lexis
Dictionary of sexual terms and expressions and dictionary of the "F" word, with quotes, synonyms, and cross-references.
http://www.sex-lexis.com/

Hiker's Lexicon
Common and uncommon technical terms, slang, abbreviations and acronyms used by hikers and backpackers.
http://www.slackpacker.com/lexicon.html

Lottery Glossary
Lottery related terms and definitions, comprised largely from contributions by members of an online lotto community.
http://www.lotteryglossary.com/

NumisMedia Glossary of Numismatic Terms
Over 500 terms and their definitions.
http://www.numismedia.com/glossary.htm

Technical Services Department Glossary
Library-related terms and jargon. Based on glossary created for the Cornell University Libraries, with terms and definitions borrowed from the Anglo-American cataloguing rules and other sources.
http://www.nyu.edu/library/resources/tsd/glossary.html

Online Dictionary of Library and Information Science
Reference resource of library and information science terminology maintained by Libraries Unlimited.
http://lu.com/odlis/index.cfm

Terminology Collection
Multilingual glossaries for specialized fields from the University of Vaasa, Finland.
http://lipas.uwasa.fi/comm/termino/collect/