What does the word plane mean?

Usage examples for plane

  1. But since the earth's shadow lies in the plane of its orbit- i. – A Text-Book of Astronomy by George C. Comstock
  2. In the former the entering edge of the plane would be twelve times as great as in the latter, and the lifting power would necessarily be much greater. – The Mastery of the Air by William J. Claxton
  3. 9.- Mowgy does not live on this plane. – Edgar Saltus: The Man by Marie Saltus