The Collaborative International Dictionary of English v.0.48:

Countercurrent \Coun"ter*cur`rent\ (koun"t?r-k?r`-rent), a.
   Running in an opposite direction.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Countercurrent \Coun"ter*cur`rent\, n.
   A current running in an opposite direction to the main
   current.
   [1913 Webster]

WordNet (r) 3.0 (2006):

countercurrent
    n 1: a stretch of turbulent water in a river or the sea caused
         by one current flowing into or across another current [syn:
         rip, riptide, tide rip, crosscurrent,
         countercurrent]
    2: actions counter to the main group activity; "political
       crosscurrents disrupted the conference" [syn:
       countercurrent, crosscurrent]