Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

GU

abbreviation

Definition of GU

  1. 1 genitourinary

  2. 2 Guam




GU Defined for Kids

GU

abbreviation

Definition of GU

  1. Guam




Medical Dictionary

GU

abbreviation

Medical Definition of GU

  1. genitourinary




Learn More about gu

  1. Medical Dictionary: Definition of "GU" Britannica.com: Encyclopedia article about "GU"


Seen and Heard

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

WORD OF THE DAY

February 13, 2016

a trying or distressing experience

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

2.2 pounds 16.96 pounds 196.5 pounds 100 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ