Definition of "drift-ice" []

• Masses of detached floating ice which drift with the wind or ocean currents, as in the polar seas. (noun)

The Century Dictionary (Public Domain)

• "A piece of stray drift-ice thumped against the boat and grated along its side."
• "He fought gale after gale, south to 64° inside the antarctic drift-ice, and pledged his immortal soul to the"
• "The ice continued slack, and on February 6 the rapidly increasing swell told us that we had done with the Antarctic drift-ice for good."