Examples from the Web for ice block
They had just gained the top of an ice-block, which, unknown to the driver, overhung its base.The Giant of the North|R.M. Ballantyne
The ice-block upon which they were gathered was set free in the current.A Man's Woman|Frank Norris
By this time the ice-block had come near enough to let the strange object upon it be plainly seen.
The ice-block while part of the glacier is exposed to very severe pressure, which ceases when it falls into the sea.The Voyage of the Vega round Asia and Europe, Volume I and Volume II|A.E. Nordenskieold