rubber ice

noun

1. Canadian. thin ice that shifts, cracks, or groans when crossed on foot.

Example Sentences

A folded floe and six miles of rubber ice were not sufficiently out of the way to constitute an impressive incident.

From Project Gutenberg

It was "India-rubber ice" no longer; it was cracked and brittle to the very shore.

From Project Gutenberg

Now and again he ran nimbly over many yards of rubber ice, which yielded and groaned, but did not break.

From Project Gutenberg

I had no wish to slide on rubber-ice just for the sake of seeing it bend.

From Project Gutenberg