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Related to twelvemonth: Twelve Months
chiefly Brit an archaic or dialect word for year
Chiefly Brit. a year.
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|Noun||1.||twelvemonth - a period of time containing 365 (or 366) days; "she is 4 years old"; "in the year 1920"|
period, period of time, time period - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"
Christian year, church year - the year in the ecclesiastical calendar; especially feast days and special seasons
Holy Year - (Roman Catholic Church) a period of remission from sin (usually granted every 25 years)
New Year - the calendar year just begun
366 days, bissextile year, intercalary year, leap year - in the Gregorian calendar: any year divisible by 4 except centenary years divisible by 400
off year - a year in which no major political elections are held
off year - a year in which productivity is low or inferior
calendar year, civil year - the year (reckoned from January 1 to December 31) according to Gregorian calendar
annum - (Latin) year; "per annum"
year of grace - any year of the Christian era
Y2K - the year 2000 in the Gregorian calendar
A period of time of approximately 12 months, especially that period during which the earth completes a single revolution around the sun: