the time taken by the Earth to go round the Sun, about 365.25 days; (also called the 'calendar year') the period from 1 January to 31 December; any period of 365 consecutive days
extent of object, distance, time
Cases of word usage
1) coming, happening, every year (annual)
2) the season of the year between summer and winter (autumn)
3) a list of the days, weeks, months of a particular year (calendar)
4) the time of the year when day and night are of equal length (equinox)
5) (a tree, shrub) having green leaves throughout the year (evergreen)
6) a year in which February as 29 days (every fourth year) (leap year)
7) a period of approximately one twelfth of a year (month)
8) a (weekly, monthly) payment for employment based on a total amount for a year (salary)
9) (of the weather) of the kind accepted at the time of year (seasonable)
10) a fixed or limited period of time; (of schools, universities etc) one of the periods into which the academic year is divided; (term)