1. (

• instrument

) a device that requires skill for proper use ;

2. (

• instrument ,
• tool

) the means whereby some act is accomplished; "my greed was the instrument of my destruction"; "science has given us new tools to fight disease" ;

3. (

• instrument ,
• pawn ,
• cat's-paw

) a person used by another to gain an end ;

4. (

• legal_document ,
• legal_instrument ,
• official_document ,
• instrument

) (law) a document that states some contractual relationship or grants some right ;

5. (

• instrumental_role ,
• instrument ,

) the semantic role of the entity (usually inanimate) that the agent uses to perform an action or start a process ;

6. (

• musical_instrument ,
• instrument ,

) any of various devices or contrivances that can be used to produce musical tones or sounds ;

1. (

• instrument

) equip with instruments for measuring, recording, or controlling ;

2. (

• instrument ,
• instrumentate

) write an instrumental score for ;

3. (

• instrument

) address a legal document to ;