test-fly

[ test-flahy ]

verb (used with object),test-flew, test-flown, test-fly·ing.
  1. to fly (an aircraft or spacecraft) for the evaluation of performance.

Origin of test-fly

1
First recorded in 1935–40

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use test-fly in a sentence