3) Although he was not an explorer like Christopher Columbus, Piri was an expert cartographer. He used a map of Columbus, as well as other older Arab, Chinese, Indian, Spanish and Greek maps, to create the most accurate map of the known world of that time. A small part of one of Piri's first world maps was discovered in 1929 at the Topkapi Palace in Istanbul. It was drawn in 1513 on gazelle skin. Copies of Piri's book and maps can be found in many libraries and museums around the world. including the Topkapi Palace, the British Museum in London, and the National Library of France in Paris.
The word "cartographer" in Paragraph (3) is closest in meaning to