"dictionary" as noun
1 - A reference work with a list of words from one or more languages, normally ordered alphabetically, explaining each word's meaning, and sometimes containing information on its etymology, pronunciation, usage, translations, and other data.
2 - (preceded by the) A synchronic dictionary of a standardised language held to only contain words that are properly part of the language.
3 - (by extension) Any work that has a list of material organized alphabetically; e.g., biographical dictionary, encyclopedic dictionary.
"dictionary" as verb
1 - To look up in a dictionary.
2 - To add to a dictionary.
3 - To compile a dictionary.
