D defs.my
Entry 1 sense Webster, 1913

Whey

/hwā/ · IPA /hweɪ/
01 n. The serum, or watery part, of milk, separated from the more thick or coagulable part, esp. in the process of making cheese.
  1. 1.
    The serum, or watery part, of milk, separated from the more thick or coagulable part, esp. in the process of making cheese.