| Noun | 1. | water nymph - submerged aquatic plant having narrow leaves and small flowers; of fresh or brackish water | |
| 2. | water nymph - a water lily having large leaves and showy fragrant flowers that float on the water; of temperate and tropical regionswater lily - an aquatic plant of the family Nymphaeaceae | |
| 3. | water nymph - (Greek mythology) any nymph of the watersea nymph - (Greek mythology) a water nymph who was the daughter of Oceanus or Nereus nymph - (classical mythology) a minor nature goddess usually depicted as a beautiful maiden; "the ancient Greeks believed that nymphs inhabited forests and bodies of water" naiad - (Greek mythology) a nymph of lakes and springs and rivers and fountains | |
| 4. | water nymph - a fairy that inhabits waterundine - any of various water spirits | |