The first meaning of bolillero that presents the Royal Spanish Academy (RAE) in your dictionary refers to the pad used to develop bobbin lace.
A bobbin, in this frame, is a stick that allows you to make trimmings Y lace. Its upper sector is thinner: in it the thread is wound, which is taut due to the weight of the thickest part.
It is known as bolillero a la pillow which, with a diameter of 20 centimeters and about 60 cm long, is used to create bobbin lace. The bobbin case has a cylindrical shape.
In several South American countries, on the other hand, the bolillero is called container used to hold and mix the balls of a draw. It should be noted that a ball is a small ball that is numbered.
In this way, to get around something, it is possible to resort to a bolillero or drum with balls. The procedure is as follows: first the balls are inserted into the bowl and then, at random, they are extracted one by one. The luck It favors those who have a card or ballot with the number of the ball that is drawn.
Bolilleros are often used to determine how the groups of competitors are made up in a sporting event. In a world championship of footballTo mention one possibility, each selected is represented by a ball. These balls are put into bowls and thus, as they come out, the groups of the first phase are defined randomly.