noun (n)

• heavy wet snow that is unsuitable for skiing(noun.substance)

  source: wordnet30
• any substance considered disgustingly foul or unpleasant(noun.substance)

  Synonym:
  filth, skank
  

  source: wordnet30
• an ill-defined bodily ailment(noun.state)

  Example:
  He said he had the crud and needed a doctor.
  

  source: wordnet30
• See Curd.(noun)

  source: webster1913