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WordReference Random House Unabridged Dictionary of American English © 2024nai•ad (nā′ad, -əd, nī′-),USA pronunciation n., pl. -ads, -a•des (-ə dēz′).USA pronunciation - Mythology(sometimes cap.) [Class. Myth.]any of a class of nymphs presiding over rivers and springs.
- Insectsthe juvenile form of the dragonfly, damselfly, or mayfly.
- a female swimmer, esp. an expert one.
- Plant Biology[Bot.]a plant of the genus Najas, having narrow leaves and solitary flowers.
- Insects[Entomol.]an aquatic nymph.
- Invertebratesa freshwater mussel.
- Greek Nāïás a water nymph
- Latin Nāïad- (stem of Nāïas)
Collins Concise English Dictionary © HarperCollins Publishers:: naiad /ˈnaɪæd/ n ( pl -ads, -ades / -əˌdiːz/)- a nymph dwelling in a lake, river, spring, or fountain
- the aquatic larva of the dragonfly, mayfly, and related insects
- Also called: water nymph any monocotyledonous submerged aquatic plant of the genus Naias (or Najas), having narrow leaves and small flowers: family Naiadaceae (or Najadaceae)
Etymology: 17th Century: via Latin from Greek nāias water nymph; related to náein to flow |