noun (n)

• submerged aquatic plant having narrow leaves and small flowers; of fresh or brackish water(noun.plant)

  Synonym:
  naiad
  

  source: wordnet30
• a water lily having large leaves and showy fragrant flowers that float on the water; of temperate and tropical regions(noun.plant)

  Synonym:
  fragrant water lily, nymphaea odorata, pond lily
  

  source: wordnet30
• (Greek mythology) any nymph of the water(noun.person)

  source: wordnet30
• a fairy that inhabits water(noun.person)

  Synonym:
  water spirit, water sprite
  

  source: wordnet30