Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The air supply of a given region.
  • noun The geographic region that shares an air supply.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A region's air supply.
  • noun The region supplied by a source of air.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[air + (water)shed.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From air + watershed.

Examples

    Sorry, no example sentences found.

Comments

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