(literally) An object lacking sharp surfaces, especially as used to cause injury.

plural of string instrument

An instrument whose calibration can be determined by means of physical measurements on the instrument.

plural of negotiable instrument

plural of cash instrument

plural of financial instrument

(finance) Any form of funding medium, mostly those used for borrowing in money markets, including cash instruments and derivative instruments.

(music) A musical instrument in which sound is produced by blowing against an edge or by vibrating a thin piece of wood or metal known as the reed, and in which the pitch is governed by the resonant frequencies of an enclosed air column.

(music) Any of very many musical instruments in which taut strings are plucked, bowed or struck in order to produce a sound

(music) A musical instrument that produces sound by means of vibrating strings.