hour

noun

ˈau̇(-ə)r 

1

: a time or office for daily liturgical devotion

especially : canonical hour

2

: the 24th part of a day : 60 minutes

3

a

: 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

4

a

: 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

7

a

: a class session

b

: credit hour, semester hour

Phrases

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.

Recent Examples on the Web

Fans posted videos of themselves lined up for hours to get a glimpse at the installation. —Saba Hamedy, NBC News, 19 Apr. 2024

Districts are required to offer at least three hours of instruction. —Jenny Gold, Los Angeles Times, 18 Apr. 2024

The twenty-eight firings, confirmed by Google, come hours after nine employees were detained by police late Tuesday for sit-in protests in the office of Google Cloud CEO Thomas Kurian in Sunnyvale, California, and a company office in New York. —Caroline Haskins, WIRED, 18 Apr. 2024

Even the Coast Guard would have taken at least an hour to fly out and help them. —Bob McNally, Outdoor Life, 18 Apr. 2024

Ten hours later, the airline reported the cargo missing to the police. —Ryan Erik King / Jalopnik, Quartz, 18 Apr. 2024

Those precious extra hours of sleep came courtesy of Shortcuts, a free app that has come preinstalled on iPhones since 2019. —Chris Velazco, Washington Post, 18 Apr. 2024

Eisenberg, 40, and Keough, 34, agree on the best costume part, but perhaps don’t share their castmate’s enthusiasm for being entombed in the garb, which Eisenberg says took nearly two hours to put on. —USA TODAY, 18 Apr. 2024

The traffic alert was reported Thursday at 7:06 a.m., and the latest update regarding this incident was made available on Thursday at 8 a.m. Past Incidents in the last 12 hours: There were no traffic incidents reported in this area for the past 12 hours. —Kansas City Star Bot, Kansas City Star, 18 Apr. 2024

Word History

Etymology

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

First Known Use

13th century, in the meaning defined at sense 1

Phrases Containing hour

• after the hour
• ampere-hour
• amp-hour
• an/per hour
• at any hour
• at the top of the hour
• before the hour
• canonical hour
• cocktail hour
• coffee hour
• credit hour
• eleventh hour
• every hour on the hour
• half an hour
• half hour
• happy hour
• H hour
• hour angle
• hour circle
• hour hand
• hour-long
• hour of need
• hour of reckoning
• kilowatt-hour
• lunch hour
• man-hour
• off-hour
• on the half hour
• on the hour
• past the hour
• person-hour
• quarter hour
• rush hour
• semester hour
• sidereal hour
• the appointed hour
• the midnight hour
• the witching hour
• unearthly hour/time
• ungodly hour
• waking hour/moment
• watt-hour
• with each passing hour
• zero hour

Kids Definition

hour

noun

ˈau̇(ə)r 

1

: a time for or rite of religious worship

2

: one of the 24 divisions of a day : 60 minutes

3

: the time of day

the hour is now 10:00 a.m.

4

: a fixed or particular time

lunch hour

an hour of need

5

: the distance traveled in an hour

lives two hours away

6

: a class session

I have math this hour