Webster 1913 Edition
mōnað; akin to
mōnamoon, and to D.
mēnōþs. √272. See
One of the twelve portions into which the year is divided; the twelfth part of a year, corresponding nearly to the length of a synodic revolution of the moon, – whence the name. In popular use, a period of four weeks is often called a
☞ In the common law, a month is a lunar month, or twenty-eight days, unless otherwise expressed.
Blackstone.In the United States the rule of the common law is generally changed, and a month is declared to mean a calendar month.
A month mind.
A strong or abnormal desire.
A celebration made in remembrance of a deceased person a month after death.
the months as adjusted in the common or Gregorian calendar; April, June, September, and November, containing 30 days, and the rest 31, except February, which, in common years, has 28, and in leap years 29.–
the period of one revolution of the moon, particularly a synodical revolution; but several kinds are distinguished, as the–
synodical month, or period from one new moon to the next, in mean length 29 d. 12 h. 44 m. 2.87 s.; the
nodical month, or time of revolution from one node to the same again, in length 27 d. 5 h. 5 m. 36 s.; the
sidereal, or time of revolution from a star to the same again, equal to 27 d. 7 h. 43 m. 11.5 s.; the
anomalistic, or time of revolution from perigee to perigee again, in length 27 d. 13 h. 18 m. 37.4 s.; and the
tropical, or time of passing from any point of the ecliptic to the same again, equal to 27 d. 7 h. 43 m. 4.7 s.
the time in which the sun passes through one sign of the zodiac, in mean length 30 d. 10 h. 29 m. 4.1 s.
Webster 1828 Edition
In popular language, four weeks are called a month, being nearly the length of the lunar month. A calendar month differs in some degree from a solar month; consisting of twenty eight, twenty nine, thirty or thirty one days, as the months stand in calendars or almanacs.