Source : Webster's Revised Unabridged Dictionary (1913)

Relict \Rel"ict\ (-?kt), n. [L. relicta, fr. of relictus, p. p.
   of relinquere to leave behind. See {Relinquish}.]
   A woman whose husband is dead; a widow.

         Eli dying without issue, Jacob was obliged by law to
         marry his relict, and so to raise up seed to his
         brother Eli.                             --South.

Source : WordNet®

relict
     n 1: 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
     2: geological feature that is a remnant of a pre-existing
        formation after other parts have disappeared