Encara no tenim significats per a "case in ice".
1His heart had been cased in ice; he had hated every one.
2The ship was cased in ice,-decks, sides, masts, yards, and rigging.
3Houses and fences were cased in ice, its thickness varying with the condition of the weather.
4As he crouched there his beard was singeing and his face scorched, but his back seemed as if it was cased in ice.