- dashboard dial - dashboard gauge - Implement - 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. - A contrivance or implement, by which musical sounds are
produced; as, a musical instrument. - A writing, as the means of giving formal expression to
some act; a writing expressive of some act, contract, process, as a
deed, contract, writ, etc. - One who, or that which, is made a means, or is caused
to serve a purpose; a medium, means, or agent.