Beverage, Drink
noun
A thing you drink is a beverage.
のみもの
These are both the kun'yomi readings. You've learned them already, so you already know how to read this word!
コウイチの飲んでいる飲み物は何ですか？
What's the drink that Koichi's drinking?
アイスクリームは飲み物ではありませんよ。
Ice cream is not a drink.
「何か冷たい飲み物はいかがですか？」「それでは、牛乳パックを二本頂けますか？」
"Would you like something cold to drink?" "Well then, could I have two cartons of milk?"