time of the earth's revolution from perihelion to perihelion again; 365 days and 6 hr and 13 min and 53.1 sec
used of the second year in United States high school or college
operating or continuing throughout the year
a period of time containing 365 (or 366) days
a period of time occupying a regular part of a calendar year that is used for some particular activity
the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun
a body of students who graduate together
