( 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. )
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.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012