Synonyms

hebdomad

American

[heb-duh-mad] / ˈhɛb dəˌmæd /

noun

the number seven.
a period of seven successive days; week.

hebdomad British

/ ˈhɛbdəˌmæd /

noun

obsolete the number seven or a group of seven
a rare word for week

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of hebdomad

1535–45; < Latin hebdomad- < Greek (stem of hebdomás week), equivalent to hébdom ( os ) seventh ( see hepta-) + -ad- -ad ¹

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023