compass rose       
noun [ C ] uk/ˈkʌm.pəs ˌrəʊz/ us/ˈkʌm.pəs ˌroʊz/
 罗盘玫瑰
a round design with four or eight pointed lines coming from the centre showing the points of the compass (north, south, east, west, etc.), printed on a map, for example
  A stone compass rose is set into the courtyard.  一个石制罗盘玫瑰镶嵌在庭院中。 
 The floor is painted with a red and yellow compass rose, such as you might see on a map. 
 - More examples
 - The concrete driveways in the area feature designs ranging from compass roses to horses.
 - The plates are decorated with a ship, a compass rose, and a commemorative logo.
 - The straight lines criss-crossing the chart are similar to the compass rose displayed on later maps and charts.