Instrument - Definition

n 1: a device that requires skill for proper use
2: the means whereby some act is accomplished; "my greed was the
instrument of my destruction"; "science has given us new
tools to fight disease" [syn: instrument, tool]
3: a person used by another to gain an end [syn: instrument,
pawn, cat's-paw]
4: (law) a document that states some contractual relationship or
grants some right [syn: legal document, legal instrument,
official document, instrument]
5: the semantic role of the entity (usually inanimate) that the
agent uses to perform an action or start a process [syn:
instrumental role, instrument]
6: any of various devices or contrivances that can be used to
produce musical tones or sounds [syn: musical instrument,
instrument]
v 1: equip with instruments for measuring, recording, or
controlling
2: write an instrumental score for [syn: instrument,
instrumentate]
3: address a legal document to