Obs. [COUNTER- 3, 6.] A sea running against the course of a ship, or against another sea or current.
1599. Hakluyt, Voy., II. II. 130. We met with a countersea out of the North boord, and the last voyage in this very place we had the countersea out of the South, being very calme weather.
1610. Holland, Camden’s Brit., II. 60. [The Irish Sea] rageth all the yeere long with surging billowes and counter seas.
