n., pl. -cons or -ca (-kə).

1. A dictionary.
2. A stock of terms used in a particular profession, subject, or style; a vocabulary: the lexicon of surrealist art.
3. Linguistics. The morphemes of a language considered as a group.

[Medieval Latin, from Greek lexikon (biblion), word(book), from neuter of lexikos, of words, from lexis, word, from legein, to speak.]

noun

1. An alphabetical list of words often defined or translated: dictionary, glossary, vocabulary, wordbook. See words.
2. Specialized expressions indigenous to a particular field, subject, trade, or subculture: argot, cant², dialect, idiom, jargon, language, lingo, patois, terminology, vernacular, vocabulary. See words.
3. All the words of a language: vocabulary, word-hoard. See words.

Note: click on a word meaning below to see its connections and related words.

The noun has 2 meanings:

Meaning #1: a language user's knowledge of words
  Synonyms: vocabulary, mental lexicon

Meaning #2: a reference book containing an alphabetical list of words with information about them
  Synonym: dictionary

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Dansk (Danish)
n. - leksikon, ordbog, ordforråd, ordliste

Nederlands (Dutch)
lexicon, woordenboek, taalschat

Français (French)
n. - (gén, Ling) lexique

Deutsch (German)
n. - Lexikon, Wörterbuch

Ελληνική (Greek)
n. - ειδικό λεξικό

Italiano (Italian)
lessico

Português (Portuguese)
n. - léxico (m)

Русский (Russian)
лексикон, словарь

Español (Spanish)
n. - léxico, lexicón, diccionario, vocabulario

Svenska (Swedish)
n. - lexikon, speciell vokabulär

中文（简体） (Chinese (Simplified))
辞典, 词典

中文（繁體） (Chinese (Traditional))
n. - 辭典, 詞典

한국어 (Korean)
n. - 사전 , 사서, 어휘, 용어집, 목록

日本語 (Japanese)
n. - 辞書, 語彙

العربيه (Arabic)
‏(الاسم) معجم, قاموس,‏

עברית (Hebrew)
n. - ‮לקסיקון, מילון, אוצר המלים של שפה, אדם מסוים, תחום-ידע וכו'‬

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lexicon	Lexicon Lx-7
Lexicon Mc-8	lexicon processor