1a n. a bridge across a river, bay, etc., formed by the natural freezing of the water and used as a means of crossing from one shore to the other.
See also: bridge (def. 1) ice-road (def. 1) pont
1b n. a natural bridge of ice reinforced by flooding, corduroying, or artificial refrigeration.
See also: corduroy ((v.))
2 n. a bridge of ice formed by the jamming of ice-cakes in a river or other channel.
3 n. Arctic See quote.