an organism or species surviving as a remnant of an otherwise extinct flora or fauna in an environment much changed from that in which it originated
geological feature that is a remnant of a pre-existing formation after other parts have disappeared
Something that, or someone who, survives or remains or is left over after the loss of others; a relic.
The surviving member of a married couple after one or the other has died; a widow or widower.
Surviving, remaining.