rule of the air
Definition of rule of the air
: a provision of the code of regulations governing matters of air traffic (as the meeting and overtaking of other aircraft, the use of defined air lanes of travel, or the height of flying over cities)
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up rule of the air? Please tell us where you read or heard it (including the quote, if possible).