WordReference Random House Unabridged Dictionary of American English © 2020
artificial horizon, 
  1. Astronomya level, as a surface of mercury, used in determining the altitudes of stars. Cf. level (def. 7).
  2. Astronomythe bubble in a sextant or octant for aerial use.
  3. AeronauticsAlso called  flight indicator, gyro horizon. an instrument that indicates the banking and pitch of an aircraft with respect to the horizon.
  • 1795–1805

'artificial horizon' also found in these entries:

Report an inappropriate ad.