A non-Muslim, especially a Christian, an infidel; especially as used by Turkish people with particular reference to Christians like Greeks, Armenians, Bulgarians, Serbs and Assyrians
I shudder in delight when I think of two-hundred-year-old books, dating back to the time of Tamerlane, volumes for which acquisitive giaours gleefully relinquish gold pieces and which they carry all the way back to their own countries .