midair

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++mid·air /ˌmɪdˈeə◂ $ -ˈer◂/ noun  in midair TTAin the air or the sky, away from the ground 在空中，在半空中 The planes collided in midair. 飞机在空中相撞。 —midair adjective [only before noun] a midair collision 空中相撞

Examples from the Corpus

midair• The simulated disaster in exercise Gryphon's Lift was a midair collision between military and civilian planes over Catterick Garrison.• I did not want to die impaled on a boom box during midair turbulence.• Billie seemed dazed; her eyes were directed to a point in midair somewhere beyond both men.• My father carries me from the car and I glide up two flights of concrete steps, suspended in midair by anti-gravity.• Suspended in midair, it pulsed and roiled as birds strained for position in the pack.• A few days before the midair save, another orb had been successfully recovered after a gentle landing in the sea.• You, with your midair dread, blindly bunched into that swinging house you call a home.

mid·air nounChineseSyllable  

or air away the Corpus the from in sky,

midair
mid‧air /ˌmɪdˈeə◂ $ -ˈer◂/ noun
in midair in the air or the sky, away from the ground:
    The planes collided in midair.
—midair adjective [only before noun]:
    a midair collision