noun (n)

• low-lying wet land with grassy vegetation; usually is a transition zone between land and water(noun.object)

  Example:
  Thousands of acres of marshland.
  

  Synonym:
  fen, fenland, marshland
  

  source: wordnet30
• United States painter (1898-1954)(noun.person)

  Synonym:
  reginald marsh
  

  source: wordnet30
• New Zealand writer of detective stories (1899-1982)(noun.person)

  Synonym:
  ngaio marsh
  

  source: wordnet30
• A tract of soft wet land, commonly covered partially or wholly with water; a fen; a swamp; a morass.(noun)

  source: webster1913