en.wikipedia.org/wiki/Dictionary

A dictionary, sometimes known as a wordbook, is a collection of words in one or more specific languages, often arranged alphabetically which may include ...

www.dictionary.com

Dictionary.com is the world's leading online source for English definitions, synonyms, word origins and etymologies, audio pronunciations, example sentences, ...

www.merriam-webster.com/dictionary/dictionary

Dictionary definition is - a reference source in print or electronic form containing words usually alphabetically arranged along with information about their forms, ...

www.merriam-webster.com

The dictionary by Merriam-Webster is America's most trusted online dictionary for English word definitions, meanings, and pronunciation. #wordsmatter.

www.vocabulary.com/dictionary

The world's smartest, fastest dictionary. Look up a word and learn it forever.

en.oxforddictionaries.com

The world's most trusted English Dictionary and Thesaurus. Find definitions, meanings, and word origins as well as help with writing, spelling, and grammar.

dictionary.cambridge.org/dictionary/english/dictionary

dictionary definition: 1. a book that contains a list of words in alphabetical order and explains their meanings, or gives a word for them in another language; ...

itunes.apple.com/us/app/dictionary-com-english-words/id308750436?mt=8

Dictionary.com is the leading free English dictionary app for iPhone – with over 2,000,000 trusted definitions and synonyms, the Dictionary.com app is designed  ...

www.infoplease.com/dictionary

An unabridged dictionary from aalii to zymurgy, including a pronunciation guide.