An ice stream (ice flow), a type of fast moving glacier
An ice dam (ice jam), a blockage of ice in a river starting with an ice floe in the river.
Any type of sea ice not attached to land, drift ice.
A flat mass of floating ice, smaller than an ice field.
A sharp tower of ice formed by intersecting crevasses of a glacier.
Often sérac: a hard, cone-shaped, pale green, strongly flavoured cheese from Switzerland made from skimmed cowmilk and blue fenugreek (Trigonella caerulea); Schabziger, Sapsago. It is usually eaten grated, mixed with butter, or in a fondue.