Definition of Hour

1. Noun. A period of time equal to 1/24th of a day. "The job will take more than an hour"

2. Noun. Clock time. "The hour is getting late"

3. Noun. A special and memorable period. "It was their finest hour"
Generic synonyms: Period, Period Of Time, Time Period

4. Noun. Distance measured by the time taken to cover it. "Its just 10 minutes away"
Exact synonyms: Minute
Generic synonyms: Distance

Definition of Hour

1. n. The twenty-fourth part of a day; sixty minutes.

Definition of Hour

1. Noun. A time period of sixty minutes; one twenty-fourth of a day. ¹

2. Noun. A season, moment, time or stound. ¹

3. Noun. (poetic) The time. ¹

4. Noun. (military) (in the plural) Used after a two-digit hour and a two-digit minute to indicate time. ¹

¹ Source:

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)

Hour Pictures

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Lexicographical Neighbors of Hour

houndstooth check
hour (current term)
hour angle
hour change
hour changes
hour circle
hour hand
hour hands

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