'midair' definitions:
Definition of 'midair'
From: WordNet
noun
Some point in the air; above ground level; "the planes collided in midair"
Definition of 'midair'
From: GCIDE
- midair \mid*air"\ n. some point in the air; above ground level; as, the planes collided in midair; also used attributively; as, a midair collision. [WordNet 1.5 +PJC]