Ice that is below the surface of water.

Ice formations that are not visible as they are hidden underwater.

बर्फ के संरचनाएँ जो पानी के नीचे छिपी होती हैं

English Usage: Boaters should be careful of submerged ice when navigating through the frozen lake.

Hindi Usage: नाविकों को जमने वाली झील में जाकर submerged ice से सावधान रहना चाहिए।