From WordNet (r) 3.0 (2006) [wn]:
Armstrong
n 1: United States astronaut; the first man to set foot on the
Moon (July 20, 1969) (1930-) [syn: Armstrong, {Neil
Armstrong}]
2: United States pioneering jazz trumpeter and bandleader
(1900-1971) [syn: Armstrong, Louis Armstrong, Satchmo]