the means whereby some act is accomplished; "my greed was the instrument of my destruction"; "science has given us new tools to fight disease" पर्याय: tool,
a device that requires skill for proper use
any of various devices or contrivances that can be used to produce musical tones or sounds पर्याय: musical instrument,
the semantic role of the entity (usually inanimate) that the agent uses to perform an action or start a process पर्याय: instrumental role,