Serras
Serras is the Portuguese plural of serra, a noun with several related meanings. In geographic contexts, serra denotes a mountain range or a chain of hills. In everyday use, serra also means a saw, a tool used for cutting wood. The plural serras therefore can refer to multiple mountain ranges or to multiple saws, depending on context.
In geography, serras are prominent landscape features in many Lusophone regions and commonly appear in place
Etymology and usage: The word Serra comes from Latin via Romance languages. The ridge sense evokes a