Pronunciation: (âr'ō), [key]
1. of or for aircraft.
2. of or pertaining to aeronautics.
a combining form meaning “air,” used in formation of compound words: aerodrome. Also,aer-,aeri-.
1. aeronautic; aeronautical.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.