EXAMPLES FROM THE WEB FOR PACK ICE
Put the bottle in a pail or box, and pack ice and salt around it.
After the consolidation of the pack ice the natives move their huts to the sea.
During these seasons they may extend to the edge of the pack ice.
Sometimes the pack ice of the sounds is stopped and freezes together into rough floes; a smooth plain is never formed.
Field ice is a term usually applied to frozen sea water floating in much looser form than pack ice.
This came from the pack ice in the direction of the clouds hanging over the "open sea."
North Sea beaked whales have been reported in the offshore waters from the latitude of New England north perhaps to the pack ice.
If you wish to pack ice cream and serve it in forms or shapes, it must be molded after the freezing.
This morning the mate reported that there were signs of pack ice to the southward.