An ice barrier refers to any structure or natural feature that prevents or obstructs the flow of ice. Some synonyms for an ice barrier include ice dam, ice blockade, ice obstruction, and ice jam. These terms are commonly used when describing the effects of winter weather on waterways, roads, and buildings. Ice dams are common during winter months, and can often cause flooding. Other synonyms for ice barrier are snow drifts, snowbank, and glacier. These natural features can also act as barriers, obstructing movement in areas covered in ice and snow. As winter conditions worsen, understanding these synonyms can help people better prepare and protect themselves and their property.