instrument
     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: {tool}]
     3: a person used by another to gain an end [syn: {pawn}, {cat's-paw}]
     4: (law) a document that states some contractual relationship
        or grants some right [syn: {legal document}, {legal
        instrument}, {official document}]
     5: the semantic role of the entity (usually inanimate) that the
        agent uses to perform an action or start a process [syn: {instrumental
        role}]
     6: any of various devices or contrivances that can be used to
        produce musical tones or sounds [syn: {musical instrument}]
     v 1: equip with instruments for measuring, recording, or
          controlling
     2: write an instrumental score for [syn: {instrumentate}]
     3: address a legal document to
Source: WordNet® 2.0