Definition of altitude table in US English:

altitude table

noun

  • 1A table enabling a person to ascertain the latitude of a ship, aircraft, etc., from measurements of the altitude of the sun or other celestial object.

  • 2A table enabling a person to ascertain his or her altitude from measurements of local air pressure and temperature (or vice versa); usually in plural.

Origin

Mid 19th century; earliest use found in Nautical Magazine.