*regelation*

n. [ Pref. re- + L. gelatio a freezing. ] (Physics) The act or process of freezing anew, or together, as two pieces of ice. [ 1913 Webster ]

☞ Two pieces of ice at (or even) 32&unr_; Fahrenheit, with moist surfaces, placed in contact, freeze together to a rigid mass. This is called regelation. Faraday. [ 1913 Webster ]