astrodome

noun
as·​tro·​dome | \ˈas-trə-ˌdōm \

Definition of astrodome 

: a transparent dome in the upper surface of an airplane from within which the navigator makes celestial observations

First Known Use of astrodome

1941, in the meaning defined above

History and Etymology for astrodome

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The first known use of astrodome was in 1941

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