Wikipedia
Bombilla
A bombilla ( Spanish), bomba ( Portuguese) or masassa ( Arabic) is type of drinking straw, used to drink mate. Bombillas contain a filter in the lower end to separate the mate infusion from leaves and stems. Traditional bombillas are made of alpacca silver, a metal alloy of copper and nickel, while other common materials are stainless steel and hollow-stemmed cane.
The Spanish term is also used for electric lightbulbs, bombilla eléctrica, being a diminutive of bomba.