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.

Like loathsome lazars, by the hedges lay. -- Spenser.

Lazar house a lazaretto; also, a hospital for quarantine.

Source: Webster's Revised Unabridged Dictionary (1913)