To save this word, you'll need to log in.
\ ˈlü 
\
\Definition of loo
(Entry 1 of 3)
1 : an old card game in which the winner of each trick or a majority of tricks takes a portion of the pool while losing players are obligated to contribute to the next pool
2 : money staked at loo
loo
verblooed; looing; loos
Definition of loo (Entry 2 of 3)
: to obligate to contribute to a new pool at loo for failing to win a trick
loo
noun (2)Definition of loo (Entry 3 of 3)
chiefly British
Keep scrolling for more
Keep scrolling for more
Comments on loo
What made you want to look up loo? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
January 2020 Words of the Day Quiz
- Which is a synonym of bonhomie?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- January 2020 Words of the Day Quiz
Word of the Day quiz returns (again!)
Take the quiz - Intact Latin Quiz
What did each of these words mean to ancient Romans?
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Syn City
Build a city of skyscrapers—one synonym at a time.
Play the game
Share loo
Time Traveler for loo
The first known use of loo was in 1675
See more words from the same year