plural of instrument

Third-person singular simple present indicative form of instrument

(aviation) (Flying) by reference to one's flight instruments, rather than by visual contact with the ground.

(rare) Usefulness or agency, as means to an end; instrumentality / (music) How likely the music contains no spoken word vocals

By means of an instrument or agency; as means to an end / With instruments of music

(uncountable) The quality or condition of being instrumental; serving a purpose, being useful. / (countable, law) A governmental organ with a specific purpose.

essential or central; of great importance or relevance. / Serving as an instrument, medium, means, or agency.

(grammar) The instrumental case. / (music) A composition written or performed without lyrics, sometimes using a lead instrument to replace vocals.

A device used to produce music. / A means or agency for achieving an effect. / A measuring or displaying device. / A tool, implement used for manipulation or measurement.

(transitive) To apply measuring devices. / (transitive) To devise, conceive, cook up, plan. / To perform upon an instrument; to prepare for an instrument.