Definition of neil armstrong:
(N) :
Neil Alden Armstrong (August 5, 1930 – August 25, 2012) was an American astronaut and aeronautical engineer who, in 1969, became the first person to walk on the Moon.
(N) :
David (December 20, 1932 – December 6, 2020) a Canadian professional ice hockey linesman and an Honoured Member of the Hockey Hall of Fame.
(N) :
an American astronaut and the first person to walk on the Moon.