thirty-thirty

noun
thir·ty-thir·ty | \ ˌthər-tē-ˈthər-tē \

Definition of thirty-thirty 

: a rifle that fires a .30 caliber cartridge having a 30 grain powder charge usually written .30–30

First Known Use of thirty-thirty

1929, in the meaning defined above

Keep scrolling for more

Learn More about thirty-thirty

Share thirty-thirty

Statistics for thirty-thirty

Look-up Popularity

Time Traveler for thirty-thirty

The first known use of thirty-thirty was in 1929

See more words from the same year

More from Merriam-Webster on thirty-thirty

See words that rhyme with thirty-thirty

Comments on thirty-thirty

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

WORD OF THE DAY

occurring twice a year or every two years

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

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!