ミルク (miruku) means “milk” | MotiTan Japanese Dictionary

More examples

朝はミルクを飲みます。asa wa mi ru ku o no mi ma su

I drink milk in the morning.

Refers to the familiar white liquid from mammals that people drink or add to food and beverages.

牛乳gyūnyū: Milk obtained from cows and commonly sold as a drink.

牛などの動物の乳で、飲み物や料理の材料にするもの。ushi na do no dō butsu no chichi de no mi mono ya ryō ri no zai ryō ni su ru mo no

ミルク (miruku) is a loanword from English milk, which comes from Old English meolc and milc.

English uses milk as both a noun and a verb, while Japanese ミルク (miruku) in this sense is the noun for the drink.