Diamond Way Buddhism: Glossary
Glossary with a focus on Tibetan Buddhism.

Glossary of Buddhist Terms
Glossary of Buddhist terms on a site about mysticism in world religions.

Web Dictionary of Buddhist Terms
Dictionary of CJK (Chinese-Japanese-Korean) East Asian Buddhist Terms, by Charles Muller.

Glossary of Terms
Adapted from the "talk.religion.buddhism" FAQ.

A Glossary of Buddhist Terms
Glossary on a site about Chinese Buddhism.

Zen Terms
Short list of common Zen terms.

Glossary of Pali & Buddhist Terms
Glossary that covers many Pali words and technical Buddhist terms.

Glossary of Pali Buddhist Terms
Pali words used in Buddhism.

Buddhism Glossary
On the website of a university Buddhist study and practise group.

Rinzai-ji Glossery of Zen Terms
Japanese Zen terms in Japanese kanji and romanji with English explanations.

Buddhism A to Z
Compiled by Ron Epstein, Ph.D.

Interpretation of Buddhist Terminology
Essay on how Buddhist terms were translated into Chinese.

Dukkha
An extensive discussion of "dukkha", a central term in Buddhism which is not directly translatable into English.

Sesshin Glossary
Definitions of terms used at Zen retreats.

Glossary of Thai Temple Terms

Glossary of Shin Buddhist Terms
Glossary of Shin Buddhist terms, from The Collected Works of Shinran.

The Concept of Dukkha
Essay explaining the concept of dukkha.

Dukkha and Karma
Essay on the meaning and translation of "dukkha" and "karma".

Glossary of Zen Terms
A glossary of Zen as used by the Kwan Um School of Zen.

Glossary of Kadampa Buddhist Terms
Definitions of many commonly used Tibetan Buddhist terms.

Zen Dictionary
A Japanese Zen dictionary of over 150 commonly used terms.

Buddhist Glossary
Glossary of Buddhist terms.

Dharma Dictionary : Tibetan-English-Dictionary of Buddhist Teaching & Practice
An ongoing project involved in compiling Buddhist terminology and translation terms to bridge the Tibetan and English languages. Begun in 1979, it has slowly grown to a database of approx 5 megabytes with 65,000 entries.