Ecology An organism or species of an earlier time surviving in an environment that has undergone considerable change.
Something that has survived; a remnant.
A widow.
adj.
Geology Of or relating to something that has survived, as structures or minerals after destructive processes.
[From Middle English relicte, left undisturbed, from Latin relictus, past participle of relinquere, to leave behind; see relinquish. Sense 3, Middle English relicte, from Medieval Latin relicta, from feminine past participle of Latin relinquere.]
"widow," c.1460, from M.L. relicta "widow," noun use of fem. of relictus "abandoned, left behind," prop. pp. of L. relinquere "to leave behind" (see relinquish).