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 hole \Air" hole`\ ([^a]r" h[=o]l`). 1. A hole to admit or discharge air; specifically, a spot in the ice not frozen over. [1913 Webster] 2. (Founding) A fault in a casting, produced by a bubble of air; a blowhole. [1913 Webster] 3. (A["e]ronautics) 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 pocket. [Webster 1913 Suppl.]