hour

noun
\ ˈau̇(-ə)r \

Definition of hour

1 : a time or office for daily liturgical devotion especially : canonical hour
2 : the 24th part of a day : 60 minutes
3a : the time of day reckoned in two 12-hour periods
b hours plural : the time reckoned in one 24-hour period from midnight to midnight using a 4-digit number of which the first two digits indicate the hour and the last two digits indicate the minute in the military 4:30 p.m. is called 1630 hours
4a : a customary or particular time lunch hour in our hour of need also : moment sense 1b hero of the hour
b hours plural : time of going to bed keeps late hours also : time of working banker's hours
5 : an angular unit of right ascension equal to 15 degrees measured along the celestial equator
6 : the work done or distance traveled at normal rate in an hour the city was two hours away
7a : a class session
after hours
: after the regular quitting or closing time

Examples of hour in a Sentence

She wasn't supposed to eat for six hours before the operation. You'll be paid by the hour for this job. The job pays ten dollars an hour. She exercises for a full hour every day. She was half an hour late. They arrived a few hours later. The project required long hours of work. The mood changed from hour to hour. These animals are most active in the hour just before sunrise. You can call me at any hour of the day or night.
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Recent Examples on the Web

Located less than two hours from Tokyo, the site is built on a cliff with dramatic views of rugged Sagai Bay, with orange groves in the foreground. Alex Postman, Condé Nast Traveler, "28 Places Our Travel Specialists Say You Should Go in 2019," 17 Dec. 2018 This is an unhealthy way to waste more than two hours every day. Dom Tripolone, Fox News, "Bike pedal-operated Audi burns calories as you drive," 27 Sep. 2018 That’s why the National Sleep Foundation recommends that teens get eight to ten hours of sleep a night, while younger kids require more. Markham Heid, Time, "Do You Really Need Less Sleep As You Age?," 12 July 2018 Use repellents that contain 20 to 30 percent DEET on exposed skin and clothing for protection that lasts up to several hours. CBS News, "Latest death shines light on tick-borne disease Rocky Mountain spotted fever," 12 July 2018 To go further, that's €82,417 per day, €3,434 per hour, and €57.23 each minute. SI.com, "€57.23 Per Minute: The Numbers Behind Cristiano Ronaldo's Bank-Busting Contract at Juventus," 11 July 2018 The top recorded speed on the run is 42 miles per hour. Sarah Bahr, Indianapolis Star, "Ultimate Indiana bucket list: 50+ things to do in Indianapolis and around the state," 11 July 2018 After a day of exploring the gardens and grounds, Dan turned his foraged greens and fresh trout plucked early that day from the lake into a delicate cocktail hour crudo. Pilar Guzmán, Condé Nast Traveler, "South Africa’s Other Big Five," 20 Dec. 2018 Some purifiers can only operate for a few hours before needing refilling, while others can go a full 24 hours. Rachel Rothman, Good Housekeeping, "The Best Humidifiers to Buy This Winter," 20 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hour.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hour

13th century, in the meaning defined at sense 1

History and Etymology for hour

Middle English, from Anglo-French ure, eure, from Late Latin & Latin; Late Latin hora canonical hour, from Latin, hour of the day, from Greek hōra — more at year

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Learn More about hour

Dictionary Entries near hour

houpe

houp-la

houppelande

hour

hourage

hour angle

hour circle

Statistics for hour

Last Updated

15 Jan 2019

Look-up Popularity

Time Traveler for hour

The first known use of hour was in the 13th century

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More Definitions for hour

hour

noun

English Language Learners Definition of hour

: one of the 24 equal parts of a day : 60 minutes

: the time shown on a clock or watch

: a particular time during the day

hour

noun
\ ˈau̇r \

Kids Definition of hour

1 : one of the 24 divisions of a day : 60 minutes
2 : the time of day The hour is now half past five.
3 : a fixed or particular time school hours He helped in our hour of need.
4 : the distance that can be traveled in an hour She lives three hours from here.

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More from Merriam-Webster on hour

Rhyming Dictionary: Words that rhyme with hour

Spanish Central: Translation of hour

Nglish: Translation of hour for Spanish Speakers

Britannica English: Translation of hour for Arabic Speakers

Britannica.com: Encyclopedia article about hour

Comments on hour

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