(n) a subsidiary organ of government created for a special purpose, Example:are the judicial instrumentalities of local governments adequate?; he studied the French instrumentalities for law enforcement
n.; pl.Instrumentalities The quality or condition of being instrumental; that which is instrumental; anything used as a means; medium; agency. [ 1913 Webster ]
The instrumentality of faith in justification. Bp. Burnet. [ 1913 Webster ]
The discovery of gunpowder developed the science of attack and defense in a new instrumentality. J. H. Newman. [ 1913 Webster ]