twelvemonth,
yr,
year a period of time occupying a regular part of a calendar year that is used for some particular activity; "a school year"
= synonym
= antonym
= relatert ord
Wiktionary
Substantiv
calendar year -
The amount of time between the beginning of the first day of January and the end of the last day of December in the Gregorian calendar.
calendar year -
The amount of time between corresponding dates in adjacent years in any calendar.