wiktionary

listen to the pronunciation of wiktionary
English - Turkish
Vikisözlük
English - English
A collaborative project run by the Wikimedia Foundation to produce a free and complete dictionary (lexicon and thesaurus therein) in every language
{i} (portmanteau of: "wiki" and "dictionary") multilingual free content dictionary on the Internet that allows users to edit its content (add, remove or modify text)
A wiki-based open content dictionary
wikt