What is the meaning of the word "ice"?

Definitions:

Abbreviation for Immigration and Customs Enforcement, the U.S. government department that is responsible for making sure that laws on who is allowed to enter, stay in, and work in the U.S. and what is allowed to be brought across the U.S. borders are obeyed. VERB
- In a raid by ICE agents on a clothing manufacturing, more than 100 workers were arrested on immigration-related offenses.
One of the most common and well-known substances on Earth and plays a crucial role in the planet's climate, geology, and biology. NOUN
- The ice clinked as she dropped it into the glass.
The solid form or water that occurs when water molecules are cooled below freezing point and form a crystalline structure. NOUN
- Snow and ice have caused chaos on the roads.
To cover a cake with frosting. VERB
- I've made her a chocolate cake- now I just need to ice it.