Source : Webster's Revised Unabridged Dictionary (1913)

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

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

Source : WordNet®

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}]
     2: actions counter to the main group activity; "political
        crosscurrents disrupted the conference" [syn: {crosscurrent}]