from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A unit of time corresponding approximately to one cycle of the moon's phases, or about 30 days or 4 weeks.
- n. One of the 12 divisions of a year as determined by a calendar, especially the Gregorian calendar. Also called calendar month.
- n. A period extending from a date in one calendar month to the corresponding date in the following month.
- n. A sidereal month.
- n. A lunar month.
- n. A solar month.
- idiom month of Sundays Informal An indefinitely long period of time: It will take you a month of Sundays to chop all that wood.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A period into which a year is divided, historically based on the phases of the moon. In the Gregorian calendar there are twelve months: January, February, March, April, May, June, July, August, September, October, November and December.
- n. A period of 30 days, 31 days, or some alternation thereof.
- n. A woman's period; menstrual discharge.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. Originally, the interval from one new moon to the next, called specifically a lunar, synodical, or illuminative month.
- n. One twelfth part of a tropical year, or 30 days, 10 hours, 29 minutes, 3. 8 seconds: called specifically a solar month.
- n. One of the twelve parts into which the calendar year is arbitrarily divided: called specifically a calendar month.
- n. At common law and in equity, month has been understood to mean ‘a lunar month,’ which is assumed to be 28 days, except when the contrary appears, and except when used of mercantile transactions, such as negotiable paper, etc.
- n. plural Same as menses. Minsheu; Cotgrave. Abbreviated mo.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a time unit of approximately 30 days
- n. one of the twelve divisions of the calendar year
Middle English moneth, from Old English mōnath; see mē-2 in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English month, moneth, from Old English mōnað ("month"), from Proto-Germanic *mēnōþs (“month”), from Proto-Indo-European *mḗh₁n̥s (“moon, month”), probably from Proto-Indo-European *mê- (“to measure”), referring to the moon's phases as the measure of time, equivalent to moon + -th. Cognate with Scots moneth ("month"); North Frisian muunt ("month"); Dutch maand ("month"); Low German Maand, Monat ("month"); German Monat ("month"); Danish måned ("month"); Swedish månad ("month"); Icelandic mánuði ("month"); Ancient Greek μήν (mḗn); Armenian ամիս (amis); Old Irish mí; Old Church Slavonic мѣсѧць (měsęcĭ). See also moon. (Wiktionary)