Of twenty year of age he was, I guess. --Chaucer.
Note: The civil, or legal, year, in England, formerly
commenced on the 25th of March. This practice continued
throughout the British dominions till the year 1752.
2. The time in which any planet completes a revolution about
the sun; as, the year of Jupiter or of Saturn.
3. pl. Age, or old age; as, a man in years. --Shak.
{Anomalistic year}, the time of the earth's revolution from
perihelion to perihelion again, which is 365 days, 6
hours, 13 minutes, and 48 seconds.
{A year's mind} (Eccl.), a commemoration of a deceased
person, as by a Mass, a year after his death. Cf. {A
month's mind}, under {Month}.
{Bissextile year}. See {Bissextile}.
{Canicular year}. See under {Canicular}.
{Civil year}, the year adopted by any nation for the
computation of time.
{Common lunar year}, the period of 12 lunar months, or 354
days.
{Common year}, each year of 365 days, as distinguished from
leap year.
{Embolismic year}, or {Intercalary lunar year}, the period of
13 lunar months, or 384 days.
{Fiscal year} (Com.), the year by which accounts are
reckoned, or the year between one annual time of
settlement, or balancing of accounts, and another.
{Great year}. See {Platonic year}, under {Platonic}.
{Gregorian year}, {Julian year}. See under {Gregorian}, and
{Julian}.
{Leap year}. See {Leap year}, in the Vocabulary.
{Lunar astronomical year}, the period of 12 lunar synodical
months, or 354 days, 8 hours, 48 minutes, 36 seconds.
{Lunisolar year}. See under {Lunisolar}.
{Periodical year}. See {Anomalistic year}, above.
{Platonic year}, {Sabbatical year}. See under {Platonic}, and
{Sabbatical}.
{Sidereal year}, the time in which the sun, departing from
any fixed star, returns to the same. This is 365 days, 6
hours, 9 minutes, and 9.3 seconds.
{Tropical year}. See under {Tropical}.
{Year and a day} (O. Eng. Law), a time to be allowed for an
act or an event, in order that an entire year might be
secured beyond all question. --Abbott.
{Year of grace}, any year of the Christian era; Anno Domini;
A. D. or a. d.
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.
{Sothiac}, or {Sothic}, {year} (Chronol.), the Egyptian year
of 365 days and 6 hours, as distinguished from the
Egyptian vague year, which contained 365 days. The Sothic
period consists of 1,460 Sothic years, being equal to
1,461 vague years. One of these periods ended in July, a.
d. 139.