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I . The third class of rating on Lloyd's books, for the comparative excellence of merchant ships. (_See_ A.)
ICE LANE OR VEIN . A narrow temporary channel of water in the packs or other large collections of ice.
ICE-ANCHOR . A bar of round iron tapered to a point, and bent as a pot-hook; a hole is cut in the ice, the point entered, and the hawser bent to the shorter hook; by this vessels ride safely till any motion of the ice capsizes it, and then it is hauled in. The ice is usually entered by a lance, which cuts its hole easily.
ICE-BEAMS . Strengtheners for whalers. (_See_ FORTIFYING.)
ICE-BIRDS . Small sea-fowl in the polar regions.
ICE-BLINK . A streak or stratum of lucid whiteness which appears over the ice in that part of the atmosphere adjoining the horizon, and proceeds from an extensive aggregation of ice reflecting the rays of light into the circumambient air.
ICE-BOAT . A peculiar track-schuyt for the Dutch canals in winter.
ICE-BOUND . A vessel so surrounded by ice as to be prevented from proceeding on her voyage.
ICE-CHISEL . A large socket-chisel into which a pole is inserted, used to cut holes in the ice.
ICE-CLAWS . A flat claw with two prongs spread like a can-hook; the same as a single span or claw-dog.
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