a.[B]

1. 周游的；漂泊的；游历的
2. 迷路的；走入歧途的
   She went to New York to bring back her errant daughter.

   她去纽约带回她那步入歧途的女儿。

adj.

1. formal or humorous erring or straying from the accepted course or standards.
2. archaic or literary travelling in search of adventure. See also knight errant.
3. Zoology  (of a polychaete worm) of a predatory kind that moves about actively and is not confined to a tube or burrow.