from The American Heritage® Dictionary of the English Language, 4th Edition
- A city of northern Spain on the Bay of Biscay west-northwest of Bilbao. It was a major port after the discovery of America and is now a resort and industrial center. Population: 182,000.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A city and port on the north coast of Spain, the capital of the autonomous community of Cantabria
- proper n. A department in the north of Colombia. See Wikipedia:Santander Department
- proper n. A Spanish surname
Possibly from the name of Saint Andrew (through a form Sanct Ander) or from Saint Emeterio (through forms Santemter > Santenter > Santander), a martyr whose head was brought there in the third century. (Wiktionary)