7 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Sidereal \Si*de"re*al\, a. [L. sidereus, from sidus, sideris, a
constellation, a star. Cf. {Sideral}, {Consider}, {Desire}.]
1. Relating to the stars; starry; astral; as, sidereal
astronomy.
2. (Astron.) Measuring by the apparent motion of the stars;
designated, marked out, or accompanied, by a return to the
same position in respect to the stars; as, the sidereal
revolution of a planet; a sidereal day.
{Sidereal clock}, {day}, {month}, {year}. See under {Clock},
{Day}, etc.
{Sideral time}, time as reckoned by sideral days, or, taking
the sidereal day as the unit, the time elapsed since a
transit of the vernal equinox, reckoned in parts of a
sidereal day. This is, strictly, apparent sidereal time,
mean sidereal time being reckoned from the transit, not of
the true, but of the mean, equinoctial point.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Day \Day\, n. [OE. day, dai,, dei, AS. d[ae]g; akin to OS., D.,
Dan., & Sw. dag, G, tag, Icel. dagr, Goth. dags; cf. Skr. dah
(for dhagh ?) to burn. [root]69. Cf. {Dawn}.]
1. The time of light, or interval between one night and the
next; the time between sunrise and sunset, or from dawn to
darkness; hence, the light; sunshine.
2. The period of the earth's revolution on its axis. --
ordinarily divided into twenty-four hours. It is measured
by the interval between two successive transits of a
celestial body over the same meridian, and takes a
specific name from that of the body. Thus, if this is the
sun, the day (the interval between two successive transits
of the sun's center over the same meridian) is called a
{solar day}; if it is a star, a {sidereal day}; if it is
the moon, a {lunar day}. See {Civil day}, {Sidereal day},
below.
3. Those hours, or the daily recurring period, allotted by
usage or law for work.
4. A specified time or period; time, considered with
reference to the existence or prominence of a person or
thing; age; time.
A man who was great among the Hellenes of his day.
--Jowett
(Thucyd. )
If my debtors do not keep their day, . . . I must
with patience all the terms attend. --Dryden.
5. (Preceded by the) Some day in particular, as some day of
contest, some anniversary, etc.
The field of Agincourt, Fought on the day of Crispin
Crispianus. --Shak.
His name struck fear, his conduct won the day.
--Roscommon.
Note: Day is much used in self-explaining compounds; as,
daybreak, daylight, workday, etc.
From WordNet (r) 2.0 [wn]:
day
n 1: time for Earth to make a complete rotation on its axis; "two
days later they left"; "they put on two performances
every day"; "there are 30,000 passengers per day" [syn:
{twenty-four hours}, {solar day}, {mean solar day}]
2: some point or period in time; "it should arrive any day
now"; "after that day she never trusted him again"; "those
were the days"; "these days it is not unusual"
3: the time after sunrise and before sunset while it is light
outside; "the dawn turned night into day"; "it is easier
to make the repairs in the daytime" [syn: {daytime}, {daylight}]
[ant: {night}]
4: a day assigned to a particular purpose or observance;
"Mother's Day"
5: the recurring hours when you are not sleeping (especially
those when you are working); "my day began early this
morning"; "it was a busy day on the stock exchange"; "she
called it a day and went to bed"
6: an era of existence or influence; "in the day of the
dinosaurs"; "in the days of the Roman Empire"; "in the
days of sailing ships"; "he was a successful pianist in
his day"
7: a period of opportunity; "he deserves his day in court";
"every dog has his day"
8: the period of time taken by a particular planet (e.g. Mars)
to make a complete rotation on its axis; "how long is a
day on Jupiter?"
9: the time for one complete rotation of the earth relative to
a particular star, about 4 minutes shorter than a mean
solar day [syn: {sidereal day}]
10: United States writer best known for his autobiographical
works (1874-1935) [syn: {Clarence Day}, {Clarence Shepard
Day Jr.}]
From U.S. Gazetteer (1990) [gazetteer]:
Day, FL
Zip code(s): 32013
From Easton's 1897 Bible Dictionary [easton]:
Day
The Jews reckoned the day from sunset to sunset (Lev. 23:32). It
was originally divided into three parts (Ps. 55:17). "The heat
of the day" (1 Sam. 11:11; Neh. 7:3) was at our nine o'clock,
and "the cool of the day" just before sunset (Gen. 3:8). Before
the Captivity the Jews divided the night into three watches, (1)
from sunset to midnight (Lam. 2:19); (2) from midnight till the
cock-crowing (Judg. 7:19); and (3) from the cock-crowing till
sunrise (Ex. 14:24). In the New Testament the division of the
Greeks and Romans into four watches was adopted (Mark 13:35).
(See {WATCHES}.)
The division of the day by hours is first mentioned in Dan.
3:6, 15; 4:19; 5:5. This mode of reckoning was borrowed from the
Chaldeans. The reckoning of twelve hours was from sunrise to
sunset, and accordingly the hours were of variable length (John
11:9).
The word "day" sometimes signifies an indefinite time (Gen.
2:4; Isa. 22:5; Heb. 3:8, etc.). In Job 3:1 it denotes a
birthday, and in Isa. 2:12, Acts 17:31, and 2 Tim. 1:18, the
great day of final judgment.
From THE DEVIL'S DICTIONARY ((C)1911 Released April 15 1993) [devils]:
DAY, n. A period of twenty-four hours, mostly misspent. This period
is divided into two parts, the day proper and the night, or day
improper -- the former devoted to sins of business, the latter
consecrated to the other sort. These two kinds of social activity
overlap.
From eng-fra [engfra]:
day
[dei]
jour, journée