month

[ muhnth ]

noun

1. Also called calendar month. any of the twelve parts, as January or February, into which the calendar year is divided.
2. the time from any day of one calendar month to the corresponding day of the next.
3. a period of four weeks or 30 days.
4. Also called so·lar month. one-twelfth of a solar or tropical year.
5. Also called lu·nar month. the period of a complete revolution of the moon around the earth, as the period between successive new moons synodic month, equal to 29.531 days, or the period between successive conjunctions with a star sidereal month, equal to 27.322 days, or the period between successive perigees anomalistic month, equal to 27.555 days, or the period between successive similar nodes nodical month, or draconic month, equal to 27.212 days.
6. an unusually long period of time of indefinite length:

   I haven't seen him for months.

month

/ mʌnθ /

noun

1. one of the twelve divisions ( calendar months ) of the calendar year
2. a period of time extending from one date to a corresponding date in the next calendar month
3. a period of four weeks or of 30 days
4. the period of time ( tropical month ) taken by the moon to return to the same longitude after one complete revolution around the earth; 27.321 58 days (approximately 27 days, 7 hours, 43 minutes, 4.5 seconds)
5. the period of time ( sidereal month ) taken by the moon to make one complete revolution around the earth, measured between two successive conjunctions with a distant star; 27.321 66 days (approximately 27 days, 7 hours, 43 minutes, 11 seconds)
6. Also calledlunation the period of time ( lunar or synodic month ) taken by the moon to make one complete revolution around the earth, measured between two successive new moons; 29.530 59 days (approximately 29 days, 12 hours, 44 minutes, 3 seconds)
7. a month of Sundays informal.
   a long unspecified period

Word History and Origins

Origin of month¹

First recorded before 900; Middle English; Old English mōnath; cognate with Old High German mānōd, Old Norse mānathr. See moon

Word History and Origins

Origin of month¹

Old English mōnath; related to Old High German mānōd, Old Norse mānathr; compare Gothic mena moon

Idioms and Phrases

Idioms

1. a month of Sundays. Sunday ¹( def 4 ).

More idioms and phrases containing month

In addition to the idiom beginning with month , also see by the day (month) ; (for months) on end .

Example Sentences

Trump has fired back at such comments, calling Kelly a “total degenerate” in a post last month on TruthSocial.

From Los Angeles Times

“Villa Vie Odyssey will be spending a month in the Caribbean before embarking on a 4-month South American journey featuring 2 Panama Canal transits, 2 World Wonders, the Chilean Fjords, an Antarctic sail-by, Carnival in Rio and an 8-day endeavor deep into the Amazon River,” it said.

From Salon

Cabinet Secretary Simon Case, the UK's most senior civil servant, told ministers last month they should "exercise discretion and should not take part in the public debate".

From BBC

MPs will have their say on the issue later this month – in what is known as a free vote, where they are not instructed how to vote by their parties.

From BBC

The first vote on the issue will take place in the Commons at the end of the month.

From BBC

Related Words

• age
• date
• day
• era
• future
• generation
• hour
• life
• moment
• occasion
• pace
• past
• point
• present
• season
• second
• space
• stage
• term
• turn