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la

1 American  
[lah] / lɑ /

noun

Music.

  1. the syllable used for the sixth tone of a diatonic scale.

  2. (in the fixed system of solmization) the tone A.

la 2 American  
[law, lah] / lɔ, lɑ /

interjection

Archaic or Dialect.

  1. (used as an exclamation of wonder, surprise, etc.).

    La, sir, how you do go on!
La 3 American  
Symbol, Chemistry.

  1. lanthanum.

LA 4 American  

abbreviation

  1. Louisiana (approved especially for use with zip code).

La. 5 American  

abbreviation

  1. Louisiana.

L.A. 6 American  

abbreviation

  1. Latin America.

  2. Law Agent.

  3. Library Association.

  4. Local Agent.

  5. Los Angeles.

LA 1 British  

abbreviation

  1. Legislative Assembly

  2. Library Association

  3. local agent

  4. Los Angeles

  5. Louisiana

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
La 2 British  

symbol

  1. lanthanum

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
La. 3 British  

abbreviation

  1. Louisiana

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
la 4 British  
/ lɑː /

noun

  1. music a variant spelling of lah

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
la 5 British  
/ lɔː /

interjection

  1. an exclamation of surprise or emphasis

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
la 6 British  

abbreviation

  1. Lao People's Democratic Republic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of la1

Middle English word dating back to 1350–1400; gamut

Origin of la2

before 1150; Middle English, Old English; weak variant of lā lo 1

Vocabulary lists containing la

Scrabble: Two-Letter Words

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Velasco, who is 38 but looks even younger, replaced Juan Ramón de la Fuente, 74, a veteran diplomat and academic who stepped down, he said, for health reasons.

From Los Angeles Times • Apr. 14, 2026

Is the U.S. delegation prepared to reveal new information proving that crucial last point, à la Adlai Stevenson’s Cuban Missile Crisis slide show?

From The Wall Street Journal • Apr. 14, 2026

The government has set up soup kitchens — the Sistema de Atención a la Familia, or Family Care System — to support the most vulnerable.

From Salon • Apr. 11, 2026

“It’s disgusting,” said Janice Lintz, a veteran traveler who’s visited more than 170 countries, about the a la carte pricing model airlines have adopted.

From MarketWatch • Apr. 10, 2026

The work was titled Le Monde, ou Traité de la Lumière, and it was on the verge of being published when news of Galileo’s trial and conviction for heresy reached Holland.

From "The Scientists" by John Gribbin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.