Chicago

geographical name
Chi·​ca·​go | \ shə-ˈkä-(ˌ)gō How to pronounce Chicago (audio) , -ˈkȯ-, -gə How to pronounce Chicago (audio) \

Definition of Chicago

1 river in Chicago, Illinois, having a northern branch and a southern branch and originally flowing east into Lake Michigan but now flowing south through the southern branch and Chicago Sanitary and Ship Canal into the Des Plaines River
2 city and port on Lake Michigan in northeastern Illinois population 2,695,598

Note: Chicago is by far the most populous city in Illinois.

Other Words from Chicago

Chicagoan \ shə-​ˈkä-​gō-​ən How to pronounce Chicagoan (audio) , -​ˈkȯ-​ \ noun

Learn More about Chicago

Statistics for Chicago

Look-up Popularity

More from Merriam-Webster on Chicago

Nglish: Translation of Chicago for Spanish Speakers

Britannica English: Translation of Chicago for Arabic Speakers

Comments on Chicago

What made you want to look up Chicago? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

grandiloquent, ostentatious, or bombastic

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!