lex

L1E1X8
/lɛks/Australia, New Zealand/leks/

verb

To perform lexical analysis; to convert a character stream to a token stream as a preliminary to parsing.

Less commonScrabble 10

Meanings

lex1

verblex (third-person singular simple present lexes, present participle lexing, simple past and past participle lexed)

present singular third person lexes · participle present lexing · participle past lexed · past lexed

  1. computingTo perform lexical analysis; to convert a character stream to a token stream as a preliminary to parsing.

    SAFL source is lexed and parsed into an abstract syntax tree.

    2004, Richard William Sharp, Higher-level hardware synthesis
    2 more examples

    Once this is done, each processor parses and lexes its own documents, using conventional programming techniques.

    1994, Donna K. Harman, National Institute of Standards and Technology, The Second Text REtrieval Conference (TREC-2)

    Lexing and parsing do not have to be separated, and there are often convenient .NET methods for extracting information from text in particular formats...

    2007, Don Syme with Adam Granicz and Antonio Cisternino, Expert F#
nounlex (plural lexes)

plural lexes

  1. A specific form or instance of a word, in contrast to a lexeme.
    1. human sciencesA particular inflected form.

      Synonyms: inflection, wordform

    2. uncommonhuman sciencesAn isolex (isogloss of a word).

lex2

nounlex (plural leges)

plural leges

  1. uncommonhistoryA Roman or Latin law (particularly in ancient Rome or in medieval Europe).

    Sanctuary arrangements show strong parallels to other regulations in the leges concerning feud and the prosecution of theft.

    2018 October 18, Paul R. Hyams, Rancor and Reconciliation in Medieval England, Cornell University Press, →ISBN, page 96
    1 more example

    The 19th and 20th lines of the lex on the tablet (which decree the repeal of the rectigalia) seem to be conclusive in favour of this and against Rudorff's earlier theory.

    1891, William Smith, A Dictionary of Greek and Roman Antiquities, page 55

Lex3

proper nounLex (countable and uncountable, plural Lexes)

plural Lexes

  1. abbreviationclippingcountableinformaluncountableClipping of Lexington
  2. countablediminutiveinformaluncountableautomotiveDiminutive of Lexus

    Could've got the Beamer. I ain't really want it.[…]Man, I should've got the Lex. Dropped the top on em, I ain't wanna flex. Would've hit your girl, I ain't want the sex.

    2013 June 12, “Shoulda Woulda” (track 16), in Project Baby, performed by Kodak Black
  3. A unisex given name
    1. countableuncountableA diminutive of the male given name Alexander
    2. countableuncountableA diminutive of the female given names Alexandra, Alexia, and Alexis

Synonyms & antonyms

nounA particular inflected form.

Also see

Origin

lex · noun

  1. Proto-Indo-European*leǵ-
  2. Proto-Indo-European*lḗǵs?
  3. Proto-Indo-European*legʰ-
  4. Proto-Indo-European*lḗgʰs?
  5. Proto-Italic*lēks
  6. Latinlēx, lēge
  7. Englishlex

Learned borrowing from Latin lēx, lēges (“law(s)”).

Full word history & related roots →

Rhymes & wordplay

Rhymes with lex

All rhymes →

Sounds the same

Cite this entry
APA

lex. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/lex

MLA

“lex.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lex. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “lex,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/lex.

Source: lex on Wiktionary, CC BY-SA 4.0.