G-suit

American  

[jee-soot] / ˈdʒiˌsut /

Or g-suit

noun

Aeronautics, Aerospace.

1. a garment for fliers and astronauts designed to exert pressure on the abdomen and thighs to prevent or retard the pooling of blood below the heart under the influence of excessive head-to-toe acceleration forces.

---

G-suit British  

noun

1. Also called: anti-G suit.  a close-fitting garment covering the legs and abdomen that is worn by the crew of high-speed aircraft and can be pressurized to prevent blackout during certain manoeuvres

---

Etymology

Origin of G-suit

An Americanism dating back to 1940–45; g(ravity) suit; anti- ( def. ) for anti-G suit

Example Sentences

Then something went wrong with the pressure valve in his G-suit, he said.

From Time Magazine Archive

The flow of air to the G-suit is regulated by a weighted valve spring.

From Time Magazine Archive

During World War II, as a Navy captain, he put his knowledge to work by helping to develop the airman's "G-suit" and electrically heated clothing.

From Time Magazine Archive

Flying at 550 m.p.h. without a G-suit, a pilot could black out in a one-mile turn.

From Time Magazine Archive

Four and one half Gs is about all a sitting pilot can take without a cumbersome G-suit.

From Time Magazine Archive