ice floe
Pronunciation:
/ˈaɪs.fləʊ//ˈaɪs.floʊ/noun
Definitions
Any type of sea ice not attached to land, drift ice.
An ice dam (ice jam), a blockage of ice in a river starting with an ice floe in the river.
An ice stream (ice flow), a type of fast moving glacier
A flat mass of floating ice, smaller than an ice field.