instrumental role is a noun meaning "the semantic role of the entity (usually inanimate) that the agent uses to perform an action or start a process". It carries one recorded sense.
the semantic role of the entity (usually inanimate) that the agent uses to perform an action or start a process
Definitions, synonyms and semantic relations for instrumental role come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.