test-fly

verb
\ ˈtest-ˌflī How to pronounce test-fly (audio) \
test-flew\ ˈtest-​ˌflü How to pronounce test-flew (audio) \; test-flown\ ˈtest-​ˌflōn How to pronounce test-flown (audio) \; test-flying

Definition of test-fly

transitive verb

: to subject to a flight test test-fly an experimental plane

First Known Use of test-fly

1936, in the meaning defined above

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The first known use of test-fly was in 1936

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