Définitions
1.NounA reference work listing words or names from one or more languages, usually ordered alphabetically, explaining each word's meanings or senses, oftentimes also containing information on its etymology, pronunciation, usage, semantic relations, translations, as well as other relevant information. .mw-parser-output .defdate{font-size:smaller}"If you want to know the meaning of a word, look it up in the dictionary."
2.NounA reference work on a particular subject or activity in which the entries are arranged alphabetically; an alphabetical encyclopedia."a law dictionary; a dictionary of sports"
3.NounA person or thing regarded as a repository or compendium of information.
4.NounThe collection of words used or understood by a particular person; vocabulary.
5.NounA synchronic dictionary of a standardised language held to only contain words that are properly part of the language.
6.NounAn associative array, or a data structure where each value is referenced by a particular key, analogous to words and definitions in a dictionary (noun sense 1).
7.VerbTo look up in a dictionary.
8.VerbTo add to a dictionary.
9.VerbTo compile a dictionary.