1. hour(n = noun.time) 60 minutes, hr - a period of time equal to 1/24th of a day; "the job will take more than an hour"
is a kind of time unit, unit of time
is a part of 24-hour interval, day, mean solar day, solar day, twenty-four hour period, twenty-four hours
has parts: 30 minutes, half-hour, 15 minutes, quarter-hour, min, minute, quarter
has particulars: sidereal hour, man hour, person hour
Derived forms adjective horary1, adjective hourly1
2. hour(n = noun.time) time of day - clock time; "the hour is getting late"
is a kind of clock time, time
has particulars: 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 hour
Derived form adjective horary1
3. hour(n = noun.time) - a special and memorable period; "it was their finest hour"
is a kind of period, period of time, time period
4. hour(n = noun.attribute) minute - distance measured by the time taken to cover it; "we live an hour from the airport"; "its just 10 minutes away"
is a kind of distance
1. The twenty-fourth part of a day; sixty minutes. [1913 Webster]
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? [1913 Webster]
3. Fixed or appointed time; conjuncture; a particular time or occasion; as, the hour of greatest peril; the man for the hour. [1913 Webster]
"Woman, . . . mine hour is not yet come." [1913 Webster]
"This is your hour, and the power of darkness." [1913 Webster]
4. Certain prayers to be repeated at stated times of the day, as matins and vespers. [1913 Webster]
5. A measure of distance traveled. [1913 Webster]
"Vilvoorden, three hours from Brussels." [1913 Webster]
hour, n.
1 a twenty-fourth part of a day and night, 60 minutes.
2 a time of day, a point in time (a late hour; what is the hour?).
3 (in pl. with preceding numerals in form 18.00, 20.30, etc.) this number of hours and minutes past midnight on the 24-hour clock (will assemble at 20.00 hours).
4 a a period set aside for some purpose (lunch hour; keep regular hours). b (in pl.) a fixed period of time for work, use of a building, etc. (office hours; opening hours).
5 a short indefinite period of time (an idle hour).
6 the present time (question of the hour).
7 a time for action etc. (the hour has come).
8 the distance traversed in one hour by a means of transport stated or implied (we are an hour from London).
9 RC Ch. a prayers to be said at one of seven fixed times of day (book of hours). b any of these times.
10 (prec. by the) each time o'clock of a whole number of hours (buses leave on the hour; on the half hour; at quarter past the hour).
11 Astron. 15° of longitude or right ascension.
Idiom:
after hours after closing-time. hour-hand the hand on a clock or watch which shows the hour. hour-long adj. lasting for one hour.
--adv. for one hour. till all hours till very late.
Etymology:
ME ure etc. f. AF ure, OF ore, eure f. L hora f. Gk hora season, hour
N period, age, era, second, minute, hour, day, week, month, quarter, year, decade, decenniumm lustrum, quinquennium, lifetime, generation, epoch, ghurry, lunation, moon, century, millennium, annus magnus, horary, hourly, annual.
N instantaneity, instantaneousness, immediacy, suddenness, abruptness, moment, instant, second, minute, twinkling, trice, flash, breath, crack, jiffy, coup, burst, flash of lightning, stroke of time, epoch, time, time of day, time of night, hour, minute, very minute, very time, very hour, present time, right time, true time, exact correct time, instantaneous, momentary, sudden, immediate, instant, abrupt, discontinuous, precipitous, precipitant, precipitate, subitaneous, hasty, quick as thought, quick as lightning, quick as a flash, rapid as electricity, speedy, quick, fast, fleet, swift, lively, blitz, rapid (velocity), instantaneously, in no time, in less than no time, presto, subito, instanter, suddenly, at a stroke, like a shot, in a moment, in the blink of an eye, in the twinkling of an eye, in a trice, in one's tracks, right away, toute a l'heure, at one jump, in the same breath, per saltum, uno saltu, at once, all at once, plump, slap, at one fell swoop, at the same instant, immediately, extempore, on the moment, on the spot, on the spur of the moment, no sooner said than done, just then, slap-dash, touch and go, no sooner said than done.
N the present, the present time, the present day, the present moment, the present juncture, the present occasion, the times, the existing time, the time being, today, these days, nowadays, our times, modern times, the twentieth century, nonce, crisis, epoch, day, hour, age, time of life, present, actual, instant, current, existing, extant, that is, present-day, up-to-date, up-to-the-moment, at this time, at this moment, at the present time, now, at present, at hand, at this time of day, today, nowadays, already, even now, but now, just now, on the present occasion, for the time being, for the nonce, pro hac vice, on the nail, on the spot, on the spur of the moment, until now, to this day, to the present day, the present hour alone is man's.
by the hour, canonical hour, credit hour, early-morning hour, eleventh hour, happy hour, hour angle, hour circle, hour hand, kilometers per hour, kilometres per hour, kilowatt hour, late-night hour, light hour, man hour, miles per hour, person hour, rush hour, semester hour, sidereal hour, twenty-four hour period, witching hour, zero hour