Charles’ wain:

(wain = wagon) Charlemagne’s wagon,i.e. the constellation of the Great Bear(Ursa Major)查理曼的战车，（指）大熊星座，北斗七星。
△1H.IV.2.1.2:“Charles’wain is over the new chimney,and yet ourhorse not packed.”北斗星已经升到新烟囱上头，我们的马还没有套好。