Lunar month
Month Month (m[u^]nth), n. [OE. month, moneth, AS. m[=o]n[eth], m[=o]na[eth]; akin to m[=o]na moon, and to D. maand month, G. monat, OHG. m[=a]n[=o]d, Icel. m[=a]nu[eth]r, m[=a]na[eth]r, Goth. m[=e]n[=o][thorn]s. [root]272. See {Moon}.] 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 month. [1913 Webster]

Note: 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. --Cooley's Blackstone. [1913 Webster]

{A month mind}. (a) A strong or abnormal desire. [Obs.] --Shak. (b) A celebration made in remembrance of a deceased person a month after death. --Strype.

{Calendar months}, 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.

{Lunar month}, 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.

{Solar month}, 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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Lunar month — Lunar Lu nar (l[=u] n[ e]r), a. [L. lunaris, fr. luna the moon. See {Luna}, and cf. {Lunary}.] 1. Of or pertaining to the moon; as, lunar observations. [1913 Webster] 2. Resembling the moon; orbed. Dryden. [1913 Webster] 3. Measured by the… …   The Collaborative International Dictionary of English

  • lunar month — ► NOUN 1) a month measured between successive new moons (roughly 291 / 2 days). 2) (in general use) four weeks …   English terms dictionary

  • lunar month — n. see MONTH (sense 3) …   English World dictionary

  • lunar month — n a period of 28 or 29 days between one ↑new moon and the next …   Dictionary of contemporary English

  • lunar month — noun count the period of about 28 days during which the moon goes through all of its PHASES (=changes in appearance) while moving around the Earth …   Usage of the words and phrases in modern English

  • Lunar month — Animation of the Moon as it cycles through its phases, as seen from the Northern Hemisphere. The apparent wobbling of the Moon is known as libration. In lunar calendars, a lunar month is the time between two identical syzygies (new moons or full… …   Wikipedia

  • lunar month — noun the period between successive new moons (29.531 days) • Syn: ↑moon, ↑lunation, ↑synodic month • Hypernyms: ↑month • Part Holonyms: ↑lunar year * * * ˌlunar ˈmonth [ …   Useful english dictionary

  • lunar month — UK / US noun [countable] Word forms lunar month : singular lunar month plural lunar months astronomy a period of about 28 days during which the moon goes through all of its phases (= changes in appearance) while moving around the Earth …   English dictionary

  • lunar month — month (def. 5). [1585 95] * * * …   Universalium

  • lunar month — noun a) a period from one new moon until the next. b) a synodic month of approximately 29.53 days, measured from a lunar phase until the return of that same phase. Syn: lunation, synodic month …   Wiktionary

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