Found 2 items, similar to Air pocket.
English → English (WordNet) Definition: air pocket air pocket n : a local region of low pressure or descending air that causes a plane to lose height suddenly [syn: pocket, air hole]
English → English (gcide) Definition: Air pocket Air pocket \Air“ pock”et\ (p[o^]k"[e^]t). (aeronautics) A local region in the atmosphere having a downward movement and offering less than normal support for the sustaining surfaces of a flying machine, causing an airplane to drop suddenly. Same as air hole. [PJC.]