hebdomad

noun
heb·​do·​mad | \ ˈheb-də-ˌmad How to pronounce hebdomad (audio) \

Definition of hebdomad

1 : a group of seven
2 : a period of seven days : week

First Known Use of hebdomad

1545, in the meaning defined at sense 1

History and Etymology for hebdomad

Latin hebdomad-, hebdomas, from Greek, from hebdomos seventh, from hepta seven — more at seven

Keep scrolling for more

Learn More about hebdomad

Time Traveler for hebdomad

Time Traveler

The first known use of hebdomad was in 1545

See more words from the same year

Statistics for hebdomad

Cite this Entry

“Hebdomad.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hebdomad. Accessed 27 Feb. 2020.

More from Merriam-Webster on hebdomad

Rhyming Dictionary: Words that rhyme with hebdomad

Comments on hebdomad

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

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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!