| mcalester | (n) a town in southeastern Oklahoma |
| mcallen | (n) a town in southern Texas on the Rio Grande |
| mcardle's disease | (n) an inherited disease in which abnormal amounts of glycogen accumulate in skeletal muscle; results in weakness and cramping |
| mcburney's point | (n) a point one third of the way along a line drawn from the hip to the umbilicus; the point of maximum sensitivity in acute appendicitis |
| mccarthy | (n) United States satirical novelist and literary critic (1912-1989), Syn. Mary Therese McCarthy, Mary McCarthy |
| mccarthy | (n) United States politician who unscrupulously accused many citizens of being Communists (1908-1957), Syn. Joseph McCarthy, Joseph Raymond McCarthy |
| mccarthyism | (n) unscrupulously accusing people of disloyalty (as by saying they were Communists) |
| mccartney | (n) English rock star and bass guitarist and songwriter who with John Lennon wrote most of the music for the Beatles (born in 1942), Syn. Paul McCartney, Sir James Paul McCartney |
| mccauley | (n) heroine of the American Revolution who carried water to soldiers during the Battle of Monmouth Court House and took over her husband's gun when he was overcome by heat (1754-1832), Syn. Molly Pitcher, Mary Ludwig Hays McCauley, Mary McCauley |
| mccormick | (n) United States inventor and manufacturer of a mechanical harvester (1809-1884), Syn. Cyrus McCormick, Cyrus Hall McCormick |