'Instrumentality' definitions:

Definition of 'instrumentality'

(from WordNet)
noun
A subsidiary organ of government created for a special purpose; "are the judicial instrumentalities of local governments adequate?"; "he studied the French instrumentalities for law enforcement"
noun
The quality of being instrumental for some purpose
noun
An artifact (or system of artifacts) that is instrumental in accomplishing some end [syn: instrumentality, instrumentation]

Definition of 'Instrumentality'

From: GCIDE
  • Instrumentality \In`stru*men*tal"i*ty\, 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]