1) the air, particularly the lower and denser air as distinguished from the higher and rarer air
2) the atmospheric region
Part of Speech: noun masculine
Citing in TDNT: 1:165, 25
From ἄημι aêmi (to breathe unconsciously, that is, respire; by analogy to blow); "air" (as naturally circumambient): - air. Compare G5594.
|a air (location)||1.6|
|b air (substance)||2.2|
|(ἄρχων τῆς ἐξουσίας τοῦ ἀέρος) supernatural power||12.44|
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root ἀήρ; click on the second column to search for that grammatical form of the root ἀήρ; click on the third column to search for that word and grammatical form; click on the total to search for the root ἀήρ.