third order

noun, often capitalized T&O

Definition of third order

1 : an organization composed of lay people living in secular society under a religious rule and directed by a religious order
2 : a congregation especially of teaching or nursing sisters affiliated with a religious order

First Known Use of third order

1629, in the meaning defined at sense 1

Keep scrolling for more

Learn More about third order

Share third order

Statistics for third order

Look-up Popularity

Time Traveler for third order

The first known use of third order was in 1629

See more words from the same year

More from Merriam-Webster on third order

Rhyming Dictionary: Words that rhyme with third order

Comments on third order

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

WORD OF THE DAY

a complex dispute or argument

Get Word of the Day daily email!

Test Your Vocabulary

Homophone Quiz

  • three-bears-two-of-them-look-like-theyre-whispering-to-a-third-bear-who-looks-chuffed-to-be-the-center-of-attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!