How To Fold A Linen Napkin

to fold
gradually add mixture to stiffly beaten egg whites with up, over and down movement of spoon or wide rubber or plastic scraper. If mixture is stirred into whites, air is driven out and whites collapse.
As it is quite explicit from its name, the fold means to discontinue playing a particular hand in the game or to quit the game as a whole. A player can fold his hand from playing any hand at a specific level.

napkin
a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing
A square piece of cloth or paper used at a meal to wipe the fingers or lips and to protect garments, or to serve food on
A baby's diaper
A napkin, or face towel (also in Canada, the United Kingdom, Australia and South Africa: serviette) is a rectangle of cloth or tissue paper used at the table for wiping the mouth while eating. It is usually small and folded.
diaper: garment consisting of a folded cloth drawn up between the legs and fastened at the waist; worn by infants to catch excrement

linen
Cloth woven from flax
Garments or other household articles such as sheets made, or originally made, of linen
a fabric woven with fibers from the flax plant
a high-quality paper made of linen fibers or with a linen finish
white goods or clothing made with linen cloth