Definitions
1.NounA period of time akin to the time taken for the Earth to undergo a full cycle of seasons."we moved to this town a year ago; I quit smoking exactly one year ago"
2.NounThe time taken for the Earth to return to the same position along the ecliptic, completing a full cycle of seasons; a tropical year or solar year.
3.NounThe time taken for the Earth to orbit the Sun with respect to the fixed stars; a sidereal year.
4.NounThe length of twelve lunations; the time taken for any moon phase to happen twelve times; a lunar year.
5.NounThe length of a year as marked by a calendar, 365 or 366 days in the Gregorian calendar; a calendar year.
6.NounThe mean length of a calendar year in the Julian calendar, that is, 365.25 solar days; a Julian year.
7.NounAn orbital period: the period of one revolution in any particular orbit: The time it takes for any astronomical object (such as a planet, dwarf planet, small Solar System body, or comet) in direct orbit around a star (such as the Sun) to make one revolution around the star."Mars goes around the sun once in a Martian year, or 1.88 Earth years."
8.NounA period between set dates that mark a year, such as from January 1 to December 31 by the Gregorian calendar, from Tishri 1 to Elul 29 by the Jewish calendar, and from Muharram 1 to Dhu al-Hijjah 29 or 30 by the Islamic calendar."A normal year has 365 full days, but there are 366 days in a leap year.; I was born in the year 1950.; This Chinese year is the year of the Ox."
9.NounA scheduled part of a calendar year spent in a specific activity."During this school year I have to get up at 6:30 to catch the bus.; Every second-year student must select an area of specialization.; The exams in year 12 at high school are the most difficult.; I'm the oldest student in my year because I've repeated twice."
10.NounA level or grade in school or college."Every second-year student must select an area of specialization.; The exams in year 12 at high school are the most difficult.; I'm the oldest student in my year because I've repeated twice."
11.NounThe proportion of a creature's lifespan equivalent to one year of an average human lifespan (see also dog year)."Geneticists have created baker's yeast that can live to 800 in yeast years."
12.NounPronunciation spelling of here.
13.NounPronunciation spelling of hear.