the number seven.
a period of seven successive days; week.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use hebdomad in a sentence
We read, however, that “in the intellectual hebdomad he assigned the third rank among the fathers to the Demiurge.”
British Dictionary definitions for hebdomad
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