percussion instrument a musical instrument in which the sound is produced by one object striking another
percussive instrument a musical instrument in which the sound is produced by one object striking another
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
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
surgical instrument a medical instrument used in surgery
derivative instrument a financial instrument whose value is based on another security
navigational instrument an instrument used for navigating
drafting instrument an instrument used by a draftsman in making drawings
musical instrument any of various devices or contrivances that can be used to produce musical tones or sounds
surveying instrument an instrument used by surveyors
execution of instrument (law) the completion of a legal instrument (such as a contract or deed) by signing it (and perhaps sealing and delivering it) so that it becomes legally binding and enforceable
commercial instrument a document of or relating to commerce
purchasing department the division of a business that is responsible for purchases
surveyor's instrument an instrument used by surveyors
free-reed instrument a wind instrument with a free reed
optical instrument an instrument designed to aid vision
medical instrument instrument used in the practice of medicine
keyboard instrument a musical instrument that is played by means of a keyboard
measuring instrument instrument that shows the extent or amount or quantity or degree of something
beating-reed instrument a musical instrument that sounds by means of a vibrating reed