Definition of Instrument

organum

(v. t.)
To perform upon an instrument; to prepare for an instrument; as, a sonata instrumented for orchestra.
  

(n.)
That by means of which any work is performed, or result is effected; a tool; a utensil; an implement; as, the instruments of a mechanic; astronomical instruments.
  

(n.)
One who, or that which, is made a means, or is caused to serve a purpose; a medium, means, or agent.
  

(n.)
A writing, as the means of giving formal expression to some act; a writing expressive of some act, contract, process, as a deed, contract, writ, etc.
  

(n.)
A contrivance or implement, by which musical sounds are produced; as, a musical instrument.
  

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instrument
\in"stru*ment\ (?), v. t. to perform upon an instrument; to prepare for an instrument; as, a sonata instrumented for orchestra.
instrument
\in"stru*ment\ (?), n. [f. instrument, l. instrumentum. see instruct.]
1. that by means of which any work is performed, or result is effected; a tool; a utensil; an implement; as, the instruments of a mechanic; astronomical instruments. all the lofty instruments of war.
2. a contrivance or implement, by which musical sounds are produced; as, a musical instrument. praise him with stringed instruments and organs. cl. 4. but signs when songs and instruments he hears.
3. (law) a writing, as the means of giving formal expression to some act; a writing expressive of some act, contract, process, as a deed, contract, writ, etc.
4. one who, or that which, is made a means, or is caused to serve a purpose; a medium, means, or agent. or useful serving man and instrument, to any sovereign state. the bold are but the instruments of the wise.

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  similar words(19) 

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 instrument landing 
 instrument of torture 
 instrument flying 
 prime-vertical transit instrument 
 instrument panel 
 leveling instrument 
 bow instrument 
 instrument of punishment 
 laboratory instrument computer 
 transit instrument 
 time-delay measuring instrument 
 universal instrument 
 legal instrument 
 woodwind instrument 
 meridian instrument 
 laboratory virtual instrument engineering workbench 
 test instrument vehicle 
 wind instrument 
 instrument of execution 

Diler = n. instrument

Ermig = n. instrument, tool

Myswrn = n. an instrument

Offeryn = n. instrument, a tool

Peiriennyn = n. an instrument

Pieriant = n. instrument, tool

Syllbeiriant = n. an optical instrument

Teclyn = n. an instrument, a tool

Trembeiriant = n. optical instrument

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Noun
1. a device that requires skill for proper use
(hypernym) device
(hyponym) analyzer, analyser
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"
(synonym) tool
(hypernym) means, agency, way
3. a person used by another to gain an end
(synonym) pawn, cat's-paw
(hypernym) assistant, helper, help, supporter
4. (law) a document that states some contractual relationship or grants some right
(synonym) legal document, legal instrument, official document
(hypernym) document, written document, papers
(hyponym) derivative instrument, derivative
(classification) law, jurisprudence
5. the semantic role of the entity (usually inanimate) that the agent uses to perform an action or start a process
(synonym) instrumental role
(hypernym) semantic role, participant role
6. any of various devices or contrivances that can be used to produce musical tones or sounds
(synonym) musical instrument
(hypernym) device
(hyponym) barrel organ, grind organ, hand organ, hurdy gurdy, street organ
(derivation) instrumentate

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Verb
1. equip with instruments for measuring, recording, or controlling
(hypernym) equip, fit, fit out, outfit
(derivation) tool
2. write an instrumental score for
(synonym) instrumentate
(hypernym) compose, write
(derivation) musical instrument
(classification) music, euphony
3. address a legal document to
(hypernym) address, direct
(derivation) legal document, legal instrument, official document

A device using an internal mechanism to show visually or aurally the attitude, altitude, or operation of an aircraft or aircraft part. It includes electronic devices for automatically controlling an aircraft in flight. (14CFR1)

A written legal document.

a written legal document, to establish the rights and liabilities of the parties to it.
eg: deed,mortgage,land contract,lease,assignment

In audio, generally refers to a musical instrument of some type.

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In commercial law, a written formal document that records an act oragreement and provides the evidence of that act or agreement.

Any written document that gives formal expression to a legal agreement or act

n. jan, QoQ jan - musical instrument
n. 'In - percussion instrument
n. 'o'lav - a drum
n. baS 'In - percussion instrument made of metal
n. DIr 'In - percussion instrument with stretched animal skin
n. Sor Hap 'In - percussion instrument made of wood