Left over from the past; no longer current.

(law) Money or property bequeathed to someone in a will. / Something inherited from a predecessor or the past. / (education) The descendant of an alumnus.

plural of legacy

A student who is admitted to a school (often a college or university) primarily because one or both of their parents are alumni of the same institution.

(computing) An old computer system or application program that continues to be used because the user (typically an organization) does not want to replace or redesign it.

(computing) Source code that relates to an obsolete operating system or other obsolete technology.

(law) An amount to be paid to an heir out of a particular named fund.

(computer hardware, of a personal computer) Lacking certain older components such as a floppy disk drive, legacy ports, and ISA or other expansion bus.

plural of legacy system

Traditional media such as newspapers, magazines and television as opposed to online media.