资料来源 : Webster's Revised Unabridged Dictionary (1913)

Van-courier \Van"-cou`ri*er\, n. [F. avant-courrier. See
   {Avant}, {Van} of an army, and {Courier}, and cf.
   {Avant-courier}, {Vaunt-courier}.]
   One sent in advance; an avant-courier; a precursor.