Square cushion with...
The dictionary of "L'académie Française" gives several definitions for the masculine french word "coussin":
TECHNICAL
"A device reminiscent of a cushion, used to avoid friction, to absorb shocks, etc. The cushions of a hitching collar, of a harness. Especially. Air cushion, a layer of over pressurised air blown into the base of a vehicle or ship, which allows it to move without contact or friction with the surface of the ground or water. The hovercraft is a vehicle that moves on a cushion of air.”
SPORTS
"An individual flat cushion, usually bearing advertising, used in stadiums to improve seating comfort."
TRANSPORT AND MOBILITY - AUTOMOTIVE
"Safety device consisting of a flexible envelope which, in the event of an impact, inflates instantaneously by interposing itself between the occupant and the aggressive parts of the passenger compartment."
English equivalent : airbag
EARLIER DEFINITION (more prosaic):
"An article of furniture, made of an envelope of cloth or leather, filled with wool, feather, horsehair, etc., and used for leaning or sitting comfortably. A cushion of sheet, velvet, silk. A round or square cushion. A richly embroidered cushion. Sofa cushions. Car cushions. Lying on cushions. Being cushioned with cushions."
Cushion: essential object, essential to the well-being, to the decoration of all good houses of today and cushions with multiple use and thanks to the team of Gifts-custopolis can be personalised for a birthday: mum's birthday, mami's birthday, dad's birthday or any other birthday to celebrate.