Humanities

A Dictionary of PostmodernTerms
A growing dictionary of terms useful in reading postmodern works.
http://www.california.com/~rathbone/lexicon.htm

Figures of Speech Tables
Provides definitions of various figures of speech in English along with examples from literature of the period.
http://www.nipissingu.ca/faculty/williams/figofspe.htm

Glossary of Poetic Terms
A glossary of poetic terms organized by poet, title, first line, timeline, keyword or simple alphabetical index maintained by members of the Department of English at the University of Toronto.
http://rpo.library.utoronto.ca/display_rpo/poetterm.cfm

Glossary of Poetic Terms
Guide to the study of poetry including phonetic pronunciation with numerous examples, hyper-linked keywords and cross references.
http://www.poeticbyway.com/glossary.html

The Ism Book
A Field Guide to the Nomenclature of Philosophy.
http://www.ismbook.com/ismlist.html

Lexicon of Humanities
Site features basic glossaries, quotations, and bibliographies per discipline.
http://www.sil.org/~radneyr/humanities//index.html

Literary Terms
Glossary of common literary terms with references to published works where examples of these terms may be found.
http://www.virtualsalt.com/litterms.htm

A Philosophical Glossary for Beginners
Terms to know when studying philosophy.
http://www.princeton.edu/~jimpryor/general/vocab/glossary.html

Poeminister's Archaic and Poetical Dictionary
Reference resource for archaic and poetical diction.
http://www.geocities.com/poeminister/dictionary

Prototype Worlds
Glossary of jargon and terminology originally coined in science fiction to describe technologies that did not exist at the time of writing or ideas for which no obviously suitable mainstream term was handy.
http://catb.org/~esr/sf-words/index.html

Silva Rhetoricae: The Forest of Rhetoric
Reference to over 1000 rhetorical terms and a primer for classical and Renaissance rhetoric. Each term is accompanied by pronunciation, etymology, definition, examples from literature, cross references, and sources.
http://humanities.byu.edu/rhetoric/silva.htm

World Civilizations
Glossary of key concepts in various world civilizations and major eras from Washington State University.
http://www.wsu.edu/~dee/GLOSSARY/GLOSSARY.HTM