n. 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
- 1934  Sometimes the ice-walls were thirty feet in height, sometimes as high as sixty feet. Sometimes, when the winter was a mild one, the ice-walls would be low enough to step over.
- 1953  It's low--most of it's barely above the tide on the springs--so there's no ice wall to bother us if we want to get ashore there.