from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One of the 24 equal parts of a day.
- n. One of the points on a timepiece marking off 12 or 24 successive intervals of 60 minutes, from midnight to noon and noon to midnight or from midnight to midnight.
- n. The time of day indicated by a 12-hour clock.
- n. The time of day determined on a 24-hour basis: 1730 hours is 5:30 P.M.
- n. A unit of measure of longitude or right ascension, equal to 15° or 1/24 of a great circle.
- n. A customary or fixed time: the dinner hour.
- n. A set period of time for a specified activity: banking hours.
- n. A particular time: their hour of need.
- n. A significant time: Her hour had come.
- n. The present time: the man of the hour.
- n. The work that can be accomplished in an hour.
- n. The distance that can be traveled in an hour.
- n. A single session of a school day or class.
- n. A credit hour.
- n. Ecclesiastical The canonical hours.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A time period of sixty minutes; one twenty-fourth of a day.
- n. A season, moment, time or stound.
- n. The time.
- n. Used after a two-digit hour and a two-digit minute to indicate time.
from the GNU version of the Collaborative International Dictionary of English
- n. The twenty-fourth part of a day; sixty minutes.
- n. 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?
- n. Fixed or appointed time; conjuncture; a particular time or occasion
- n. Certain prayers to be repeated at stated times of the day, as matins and vespers.
- n. A measure of distance traveled.
from The Century Dictionary and Cyclopedia
- n. A particular time; a fixed or appointed time; a set season: as, the hour of death.
- n. The time marked or indicated by a timepiece; the particular time of day: as, what is the hour? at what hour shall we meet?
- n. The twenty-fourth part of a civil day, or the twelfth part of a natural day or night.
- n. plural Set times of prayer; the canonical hours (which see, under canonical).
- n. The offices or services prescribed for the canonical hours, or a book containing them. See book of hours, below.
- n. In Greek myth, one of the Horæ or Hours, the goddesses of the seasons and guardians of the gates of heaven.
- n. The hour reckoned from sunrise as the beginning of the day.
- n. In astronomy and geography, an angular measure of right ascension or longitude, being the twenty-fourth part of a great circle of the sphere, or fifteen degrees.
- n. One hour in a shop. In many technical schools students are required to spend a certain number of hours in workshops. These are called shop-hours, to distinguish them from the hours spent in the recitation-room.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a period of time equal to 1/24th of a day
- n. distance measured by the time taken to cover it
- n. a special and memorable period
- n. clock time
Middle English, from Old French houre, from Latin hōra, from Greek hōrā, season, time; see yēr- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
Middle English houre, oure, from Anglo-Norman houre, from Old French houre, (h)ore, from Latin hōra ("hour"), from Ancient Greek ὥρα (hōrā, "any time or period, whether of the year, month, or day"), from Proto-Indo-European *yer-, *yor- (“year, season”). Akin to Old English ġēar ("year"). Displaced native Middle English stunde, stound ("hour, moment, stound") (from Old English stund ("hour, time, moment")), Middle English ȝetid, tid ("hour, time") (from Old English *ġetīd, compare Old Saxon getīd ("hour, time"). (Wiktionary)