ruttier/ˈrʌtɪə/EtymologyFrom French routier, from route (“a road”). See route.nounA chart of a course, especially at sea.“These charts probably originated as graphic extensions of simple but accurate descriptions of ports, coasts, and customary routes contained in pilot books (ruttiers).”A mounted warrior, or knight“He and his troop of Angevine ruttiers had fought like tigers by William’s side, at Hastings[.]”