air jacket

Noun

 * 1) A lifejacket.
 * 2)  An inflatable vest worn to cushion falls.
 * 3) * 1765,, The Celebrated Lecture on Heads, London: R. Richards, Part 3, p.16,
 * our army all should wear a new uniform; all our horse infantry should wear air jackets, and all our foot cavalry should wear cork waistcoats; and then ye know why they’d be all over the sea before you could say Jack Robinson.
 * 1) An enclosed space containing nothing but air that surrounds something in order to provide insulation.
 * our army all should wear a new uniform; all our horse infantry should wear air jackets, and all our foot cavalry should wear cork waistcoats; and then ye know why they’d be all over the sea before you could say Jack Robinson.
 * 1) An enclosed space containing nothing but air that surrounds something in order to provide insulation.
 * 1) An enclosed space containing nothing but air that surrounds something in order to provide insulation.
 * 1) An enclosed space containing nothing but air that surrounds something in order to provide insulation.