The Collaborative International Dictionary of English v.0.48:

Tong \Tong\, Tonge \Tonge\, n.
   Tongue. [Obs.] --Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tong \Tong\, n. [Chinese t'ang, lit., hall.]
   In China, an association, secret society, or organization of
   any kind; in the United States, usually, a secret association
   of Chinese such as that of the highbinders; in the U. S. the
   tongs have been frequently associated with criminal activity
   and gang warfare.
   [Webster 1913 Suppl. +PJC]