WHEY /weɪ/ ► audio Scrabble 13 Words With Friends 11 Definition noun the serum or watery part of milk that is separated from the curd in making cheese. — synonyms: milk_whey noun watery part of milk produced when raw milk sours and coagulates. See all 11 words you can make from WHEY → 4-letter words Words starting with W Words ending with Y ← Unscramble different letters