1. A point in time so far back that no living person has knowledge or proof contradicting the right or custom alleged to have existed since then. • At common law, that time was fixed as the year 1189, the year that Henry II of England died. — Also termed time out of memory; time out of mind; time of memory.
2. A point in time beyond which legal memory cannot go. See LEGAL MEMORY.
3. A very long time.