Source : Webster's Revised Unabridged Dictionary (1913)

Schatchen \Schat"chen\, n. [Yiddish, fr. NHeb. shadkh[=a]n, fr.
   sh[=a]dakh to bring about a marriage, orig., to persuade.]
   A person whose business is marriage brokage; a marriage
   broker, esp. among certain Jews.