(fantasy, roleplaying games) A reanimated corpse or undead being; particularly an intelligent, undead spellcaster.
adjective
(obsolete) Like; resembling; equal.
1386-90, John Gower, Confessio Amantis.
Anon he let two cofres make / Of one semblance, and of one make, / So lich, that no lif thilke throwe, / That one may fro that other knowe.