American-British and British-American

Very Best of British, The
English-to-American Dictionary, The
English to English
American-to-British Dictionary

American Sign Language

HandSpeak
Basic Dictionary of ASL Terms
Medical American Sign Language Phrasebook
American Sign Language Browser

Arabic

Online English-Arabic Dictionary
English to Arabic Dictionary
Arabic Translation

Chinese

Chinese Characters Dictionary Web
Lexiconer Online Dictionary
English-Chinese Online Dictionary
Chinese Character Dictionary
TigerNT
Taiwanese Dictionary
Online Chinese-English Dictionary
Cari Dictionary Online
Tang Ken-de's On-Line Chinese Dictionary
Dictionary of Chinese Characters

French

ARTFL Project: French-English Dictionary Form
Online English to French to English Dictionary
Little Explorers English - French Picture Dictionary
The Alternative French Dictionary
Lookwayup: Online French English Dictionary
English-French Sailing Dictionary
English-to-French Music Dictionary
French - English / English - French Dictionary of Internet Terms

Spanish

Diccionarios.com
SpanishDict.com
English to Spanish Dictionary
Tom�simo: Spanish English Dictionary
Yahoo! Spanish-English Dictionary
Spanish Translator Services
English-Spanish Text Composition System