Mc·Car·thy (mə-kär'thē) American politician. A U.S. senator from Wisconsin (1947-1957), he presided over the permanent subcommittee on investigations and held public hearings in which he accused army officials, members of the media, and public figures of being Communists. His charges were never proved, and he was censured by the Senate in 1954.
McCarthy, Mary Therese 1912-1989. American writer noted for her sharp literary criticism and satirical fiction, including the novels The Groves of Academe (1952) and The Group (1963).