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
Etymology
Origin of hebdomad
1535–45; < Latin hebdomad- < Greek (stem of hebdomás week), equivalent to hébdom ( os ) seventh ( hepta- ) + -ad- -ad 1
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.