lexicon

[lek-si-kon, -kuhn]

noun

plural

lexica, lexicons 

1. a wordbook or dictionary, especially of Greek, Latin, or Hebrew.

   Synonyms: concordance, gloss, thesaurus, glossary

2. the vocabulary of a particular language, field, social class, person, etc.

3. inventory or record.

   unparalleled in the lexicon of human relations.

4. Linguistics.

   1. the total inventory of morphemes in a given language.

   2. the inventory of base morphemes plus their combinations with derivational morphemes.

lexicon

/ ˈlɛksɪkən /

noun

1. a dictionary, esp one of an ancient language such as Greek or Hebrew

2. a list of terms relating to a particular subject

3. the vocabulary of a language or of an individual

4. linguistics the set of all the morphemes of a language

Word History and Origins

Origin of lexicon¹

First recorded in 1595–1605; from Modern Latin, from Medieval Greek, Greek lexikòn (biblíon) “word (book),” from lexikón neuter of adjective lexikós “of or pertaining to words” + biblíon “book”; lexis -ic; Bible ( def. )

Word History and Origins

Origin of lexicon¹

C17: New Latin, from Greek lexikon , n use of lexikos relating to words, from Greek lexis word, from legein to speak