(astronomy) A unit of length (abbreviation ly; equal to just under 10 trillion kilometres (10¹⁶ metres)) equal to the distance light travels in one Julian year; used to measure extremely large distances.

A yearlong break from study taken by some students on leaving school before starting university, often spent gaining work experience or travelling.

(management, accounting) Relating to the period from the beginning of a fiscal year to the end of a reporting period.

(idiomatic) The inexperienced, youthful prime of an individual, group, organization or entity.

(management, accounting) The period from the beginning of a fiscal year to the end of a reporting period.

a year with an extra day, a leap year

The time that it takes for the Sun to return to the same position along the ecliptic, as viewed from the Earth, especially: / A vernal equinox year, the time between two successive vernal equinoxes.

Operating or continuing throughout the year.

Continuing throughout the year.

Alternative spelling of light year