Definition of Hour
1. Noun. A period of time equal to 1/24th of a day. "The job will take more than an hour"
Exact synonyms: 60 Minutes,
HrGeneric synonyms: Time Unit,
Unit Of TimeGroup relationships: 24-hour Interval,
Day,
Mean Solar Day,
Solar Day,
Twenty-four Hour Period,
Twenty-four HoursSpecialized synonyms: Sidereal Hour,
Man Hour,
Person HourTerms within: 30 Minutes,
Half-hour,
15 Minutes,
Quarter-hour,
Min,
Minute,
QuarterDerivative terms: Horary,
Hourly
2. Noun. Clock time. "The hour is getting late"
Exact synonyms: Time Of DayGeneric synonyms: Clock Time,
TimeSpecialized synonyms: High Noon,
Midday,
Noon,
Noonday,
Noontide,
Twelve Noon,
Mealtime,
Late-night Hour,
Midnight,
Small Hours,
Bedtime,
Closing Time,
Aurora,
Break Of Day,
Break Of The Day,
Cockcrow,
Dawn,
Dawning,
Daybreak,
Dayspring,
First Light,
Morning,
Sunrise,
Sunup,
Early-morning Hour,
Sundown,
Sunset,
Crepuscle,
Crepuscule,
Dusk,
Evenfall,
Fall,
Gloam,
Gloaming,
Nightfall,
Twilight,
None,
Happy Hour,
Rush Hour,
Zero Hour,
Canonical HourDerivative terms: Horary
3. Noun. A special and memorable period. "It was their finest hour"
4. Noun. Distance measured by the time taken to cover it. "Its just 10 minutes away"
Definition of Hour
1. n. The twenty-fourth part of a day; sixty minutes.
Definition of Hour
1. a period of sixty minutes [n -S]
Medical Definition of Hour
1.
1. The twenty-fourth part of a day; sixty minutes.
2. The time of the day, as expressed in hours and minutes, and indicated by a timepiece; as, what is the hour? at what hour shall we meet?
3. Fixed or appointed time; conjuncture; a particular time or occasion; as, the hour of greatest peril; the man for the hour. "Woman, . . . Mine hour is not yet come." (John II. 4) "This is your hour, and the power of darkness." (Luke xxii. 53)
4. A measure of distance traveled. "Vilvoorden, three hours from Brussels." (J. P. Peters) After hours, after the time appointed for one's regular labour. Canonical hours. See Canonical.
5. Hour angle, a line on which the shadow falls at a given hour; the intersection of an hour circle which the face of the dial. Hour plate, the plate of a timepiece on which the hours are marked; the dial. Sidereal hour, the twenty-fourth part of a sidereal day. Solar hour, the twenty-fourth part of a solar day. The small hours, the early hours of the morning, as one o'clock, two o'clock, etc. To keep good hours, to be regular in going to bed early.
Origin: OE. Hour, our, hore, ure, OF. Hore, ore, ure, F. Heure, L. Hora, fr. Gr, orig, a definite space of time, fixed by natural laws; hence, a season, the time of the day, an hour. See Year, and cf. Horologe, Horoscope.
Source: Websters Dictionary
(01 Mar 1998)
Lexicographical Neighbors of Hour
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