Armstrong: Meaning and Definition of

Arm•strong

1. (“Satchmo”), 1900–71, U.S. jazz trumpeter and bandleader.
2. 1890–1954, U.S. electrical engineer and inventor: developed frequency modulation.
3. (Henry Jackson), 1912–88, U.S. boxer: world featherweight champion 1937–38; world lightweight champion 1938–39; world welterweight champion 1938–40.
4. born 1930, U.S. astronaut: first person to walk on the moon, July 20, 1969.