A surviving remnant of a natural phenomenon, such as a species or ecosystem, that has persisted from an earlier time. The ancient forest is a relict of a time when the climate was much cooler.
A widow; a woman whose husband has died. The relict of the late Mr. Smith was well-known for her charitable work in the community.
A geological feature that has survived from a previous period and is now surrounded by different conditions. The isolated mountain range is a relict of a once extensive plateau.
Something, especially a custom, belief, or object, that has survived from an earlier time but is now outmoded or set in a different context. The town’s annual pageant is a relict of medieval traditions.