WordNet
n. the sky as viewed during daylight; "he shot an arrow into the blue" [syn: blue sky, blue, wild blue yonder]
Wikipedia
Blue Air is a Romanian low-cost airline headquartered in Bucharest, with its main hubs at Henri Coandă International Airport and Turin Airport. As of May 2016, Blue Air flies to 48 destinations in 12 European countries, and in 2015, the airline carried over two million passengers.
Usage examples of "blue air".
An American flag hung from a pole on his right and the blue Air Force flag with its eagle emblem stood to the left.
Girls, sometimes I feel as if those exams meant everything, but when I look at the big buds swelling on those chestnut trees and the misty blue air at the end of the streets they don't seem half so important.
The shops were just lighted, the last miners were passing home along the causeways, half-visible shadows in their grey pit-dirt, moving through the blue air.
Diamond almost cried to see the wilderness of green leaves, which used to be so far up in the blue air, tossing about in the breeze, and liking it best when the wind blew it most, now lying so near the ground, and without any hope of ever getting up into the deep air again.
I started back in a terrible fright, for there was nothing but blue air to be seen under me, like a great water without a bottom at all.
High, high above us, up into the blue air, soared their twisted snow-wreaths.
The darkness had been dispelled, and far away westward sunset was on the Vale of Anduin, and the white peaks of the mountains blushed in the blue air.
Saturn's rings were rising, very slightly awaver in the dark blue air, like the banners of a spectral army.