air pocket

noun

(not in technical use) a nearly vertical air current that can cause an aircraft to experience a sudden change in altitude, usually a decrease.
Also called air hole.

Origin of air pocket

First recorded in 1910–15

Words nearby air pocket

air piracy, air pistol, air plant, air plot, air plug, air pocket, air police, air pollution, air potato, air power, air pressure

Example sentences from the Web for air pocket

  • But of course I couldn't tell in the dark; and just afterwards I struck an air-pocket, and had a bit of trouble with the bus.

    Men, Women and Guns |H. C. (Herman Cyril) McNeile

  • For perhaps ten seconds he hung thus, till the monoplane, rocking through an air-pocket, tilted violently.

    Billy Barcroft, R.N.A.S. |Percy F. Westerman

British Dictionary definitions for air pocket

air pocket

noun

a localized region of low air density or a descending air current, causing an aircraft to suffer an abrupt decrease in height
any pocket of air that prevents the flow of a liquid or gas, as in a pipe