whey whey /ˈhweɪ/

noun

1. Watery part of milk produced when raw milk sours and coagulates  ( whey )
   watery part of milk produced when raw milk sours and coagulates
    Little Miss Muffet sat on a tuffet eating some curds and whey
   Little Miss Muffet sat on a tuffet eating some curds and whey
   
   
2. The serum or watery part of milk that is separated from the curd in making cheese  ( milk whey , whey )
   the serum or watery part of milk that is separated from the curd in making cheese