Pieces of drift ice swept down in a current.

covered with a layer of ice, e.g. water; frozen over

An icefloe.

plural of ice-float

An unusual feather-like form assumed by ice at the summits of mountains.

plural of ice feather

Lacking compassion; cold and unfeeling.

A fern-like encrustation of frost found on windows in cold weather.

An anchor with one arm for securing a vessel to an ice floe.

plural of ice fern