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1. A group of seven.
2. A period of seven days; a week.
[Latin hebdomas, hebdomad-, the number seven, from Greek, from hebdomos, seventh, from hepta, seven; see septm̥ in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. obsolete the number seven or a group of seven
2. a rare word for week
[C16: from Greek, from hebdomos seventh, from heptas seven]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. a group of seven.
2. a period of seven days; week.
[1535–45; < Latin hebdomad- < Greek (s. of hebdomás week) =hébdom(os) seventh (see hepta-) + -ad- -ad1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||hebdomad - any period of seven consecutive days; "it rained for a week"|
period, period of time, time period - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"
day of the week - any one of the seven days in a week
week from Monday - a time period of a week or more; "a week from Monday will be too soon!"
weekend - a time period usually extending from Friday night through Sunday; more loosely defined as any period of successive days including one and only one Sunday
rag week, rag - a week at British universities during which side-shows and processions of floats are organized to raise money for charities
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