Gem·​i·​ni | \ ˈje-mə-(ˌ)nē How to pronounce Gemini (audio) , -ˌnī; ˈge-mə-ˌnē\

Definition of Gemini

1 : the third zodiacal constellation that is pictorially represented as the twins Castor and Pollux sitting together, that is visible in the sky on the opposite side of the Milky Way from Taurus and Orion, and that is located between Cancer and Taurus in the zodiac
2a : the third sign of the zodiac in astrology — see Signs of the Zodiac Table
b : one born under the sign of Gemini

First Known Use of Gemini

14th century, in the meaning defined at sense 1

History and Etymology for Gemini

Latin (genitive Geminorum), literally, the twins (Castor and Pollux)

Keep scrolling for more

Learn More about Gemini

Statistics for Gemini

Look-up Popularity

Time Traveler for Gemini

The first known use of Gemini was in the 14th century

See more words from the same century

Keep scrolling for more

More Definitions for Gemini



English Language Learners Definition of Gemini

: the third sign of the zodiac that comes between Taurus and Cancer and has a pair of twins as its symbol
: a person born under the sign of Gemini : a person born between May 21st and June 21st


Gem·​i·​ni | \ ˈje-mə-nē How to pronounce Gemini (audio) , -ˌnī\

Kids Definition of Gemini

1 : a constellation between Taurus and Cancer usually pictured as twins sitting together
2 : the third sign of the zodiac or a person born under this sign

Keep scrolling for more

More from Merriam-Webster on Gemini

Rhyming Dictionary: Words that rhyme with Gemini

Spanish Central: Translation of Gemini

Nglish: Translation of Gemini for Spanish Speakers

Britannica English: Translation of Gemini for Arabic Speakers

Comments on Gemini

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


standardized text or formulaic language

Get Word of the Day daily email!

Test Your Vocabulary

Finance Words Quiz

  • a-piggy-bank
  • The etymology of mortgage is related most closely to which two words?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Bee Cubed

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

Love words? Need even more definitions?

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