1. brass instrument a wind instrument that consists of a brass tube (usually of variable length) that is blown by means of a cup-shaped or funnel-shaped mouthpiece
  2. reed instrument a musical instrument that sounds by means of a vibrating reed
  3. percussion instrument a musical instrument in which the sound is produced by one object striking another
  4. transit instrument a telescope mounted on an axis running east and west and used to time the transit of a celestial body across the meridian
  5. percussive instrument a musical instrument in which the sound is produced by one object striking another
  6. keyboard instrument a musical instrument that is played by means of a keyboard
  7. brainstorming a group problem-solving technique in which members spontaneously share ideas and solutions
  8. presentiment a feeling of evil to come
  9. instrument the means whereby some act is accomplished
  10. sealed instrument a contract that is signed and has the (wax) seal of the signer attached
  11. wind instrument a musical instrument in which the sound is produced by an enclosed column of air that is moved by the breath
  12. legal instrument (law) a document that states some contractual relationship or grants some right
  13. presentment an accusation of crime made by a grand jury on its own initiative
  14. debt instrument a written promise to repay a debt
  15. surveyor's instrument an instrument used by surveyors
  16. double-reed instrument a woodwind that has a pair of joined reeds that vibrate together
  17. commercial instrument a document of or relating to commerce
  18. free-reed instrument a wind instrument with a free reed
  19. present moment at this time
  20. measuring instrument instrument that shows the extent or amount or quantity or degree of something