Definition of "pandeiro"

A type of hand-held frame drum with a round wooden frame and six pairs of metal discs fit along the sides, and an animal skin or nylon head; similar to a tambourine but with head tension that can be tuned and crisper, drier, and less sustained jingles, used in a number of Brazilian music forms.  examples

A square double skinned frame drum, often with a bell inside, used in medieval Spanish/Moorish music.  examples