noun (n)

• an amber, watery fluid, rich in proteins, that separates out when blood coagulates

  sebuah amber, cairan berair, kaya dengan protein, memisahkan keluar bila darah coagulates

  Synonym:
  blood serum
  

  source: wordnet30
• The watery portion of certain animal fluids, as blood, milk, etc.

  the berair sebagian hewan tertentu cairan, seperti darah, susu, dll.

  source: webster1913