a device that requires skill for proper use
the means whereby some act is accomplished
a person used by another to gain an end
the semantic role of the entity (usually inanimate) that the agent uses to perform an action or start a process
United States journalist who reported on the October Revolution from Petrograd in 1917; founded the Communist Labor Party in America in 1919; is buried in the Kremlin in Moscow (1887-1920)
United States physician who proved that yellow fever is transmitted by mosquitoes (1851-1902)
tall woody perennial grasses with hollow slender stems especially of the genera Arundo and Phragmites
a musical instrument that sounds by means of a vibrating reed
