dictionary

dic-tion-ar-y · noun

imported

Definitions

noun

  1. 1.

    A book or electronic resource that lists words in alphabetical order with their definitions, pronunciations, and other information.

  2. 2.

    A reference book on a specific subject, listing terms and their meanings.

  3. 3.

    (computing) A data structure that stores key-value pairs.

Forms

plural: dictionaries

Phrases & expressions

  • •
    look something up in the dictionary — to search for a word's meaning
  • •
    walking dictionary — a person with extensive vocabulary knowledge

Related words

See also: encyclopedia, lexicon, thesaurus
Synonyms: glossary, lexicon, wordbook

Etymology

From Medieval Latin dictionarium, from Latin dictio ("a saying, word"), from dicere ("to say").