Ice
noun
The kanji and the word are exactly the same. That means they share meanings as well.
こおり
Since this word is made up of a single kanji, it should use the kun'yomi reading which is what you learned with the kanji.
このアイスコーヒー、氷が入ってません。
This iced coffee does not have ice in it.
「氷の女王」という本は、ありますか？
Is there a book called "The Ice Queen?"
ソーダ、二つ。一つは氷ぬきで。
Two sodas. One without ice.