I.turning oneself towards, hence
1.one who (having incurred pollution by sin or crime) turns to a god for purification, a suppliant, Soph., etc.; as adj. suppliant, πρ. λιταί id=Soph.
2.of one who has not yet been purified, a polluted person, Lat. homo piacularis, Aesch., Eur.
II.a suppliant for vengeance, Aesch.
2.pass. to whom the murdered person turns for vengeance, i. e. an avenger, Aeschin., etc.