1) Drinking water 2) Melted snow or ice 3) Thawed ice 4) Water 
Meltwater is the water released by the melting of snow or ice, including glacial ice, tabular icebergs and ice shelves over oceans. Meltwater is often found in the ablation zone of glaciers, where the rate of snow cover is reducing. Meltwater can be produced during volcanic eruptions, in a similar way in which the more dangerous lahars form. When ...
Water produced from the melting of snow and/or glacial ice.
[n] - melted snow or ice
noun melted snow or ice
The water resulting from melting ice.