DCHP-2

open water Esp.North DCHP-1 (pre-1967)

• 1 n.

  the spring thawing of the ice on rivers and lakes, especially the point in time when the ice breaks into pieces that are flushed away by the current.

  See also: break-up (meaning 1a))  

• 2

  the period of time taken for the ice in rivers and lakes to soften, crack up, and disappear.

  See also: break-up period