DCHP-1 Online
ice barricade 
an ice mass formed by pans drifting to shore and being subjected to showers of freezing spray, eventually becoming barricades between the land and the water.
See also: ballacater
- 1854 (1892) Deep cavities filled with snow intervened between lines of ice-barricades, making their travel as slow and tedious as the same obstructions had done to the party of poor Brooks before their eventful rescue last March.
- 1909 The first rain of the year was falling when I started, and I was obliged to keep on what we call the "ballicaters," or ice barricades, much farther up the bay than I had expected.
- 1854 (1892) Deep cavities filled with snow intervened between lines of ice-barricades, making their travel as slow and tedious as the same obstructions had done to the party of poor Brooks before their eventful rescue last March.