- a right of way in the air space above a property owner's land and the immovable property on it, subject to the public right of air navigation above the property at a legally prescribed altitude.
- such a right sold or leased for use or occupation, especially on a support elevated above an immovable property, as for the erection of an office building over a railroad track.
Origin of air right
First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018