The word in the passage which is closest in meaning to 'mass of ice that is formed by constant deposition of snow at one place', is

Directions: Read the passage and answer the following question.

Himalayan Mountain Range is one of the youngest mountain ranges in the world. It is located in the northern border of India and separates Indian subcontinent from other countries of Asia. Himalayan Mountain Range was formed about 70 million years ago. It is about 2400 km long with the shape of an arc. Its width varies between 150-400 km. It has three parallel mountain ranges - Lesser Himalaya, Greater Himalaya and Outer Himalaya. Himalayan mountain range is the father of many highest mountain peaks. About 100 mountain peaks of height greater than 7,200 meters are located here. World’s highest mountain Mount Everest is also a part of this mountain range. Other popular peaks are- Karakoram and Kanchenjunga. The word Himalaya means “home of snow”, because upper portion of this mountain range is always covered with snow. This mountain range is the home of many glaciers and rivers. The glaciers in these mountains are the sources of rivers such as - Ganges, Indus, Brahmaputra and Yamuna. Himalaya affects climate of Asia greatly. It is the reason for the heavy rainfall in Terai region. It has a great role in the creation of Gobi Desert. This mountain range is a part of these countries - Bhutan, Nepal, Pakistan, India and China.