Lazar \La"zar\, n. [OF. lazare, fr. Lazarus the beggar. Luke xvi. 20.] A person infected with a filthy or pestilential disease; a leper. --Chaucer. [1913 Webster] Like loathsome lazars, by the hedges lay. --Spenser. [1913 Webster] {Lazar house} a lazaretto; also, a hospital for quarantine. [1913 Webster] Lazaret