naiad(redirected from Hydriades)
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Related to Hydriades: naiad
nai·ad(nā′əd, -ăd′, nī′-)
n. pl. nai·a·des (-ə-dēz′) or nai·ads
1. Greek Mythology One of the nymphs who lived in and presided over brooks, springs, and fountains.
2. The aquatic nymph of certain insects, such as a mayfly, damselfly, or dragonfly.
3. Any of various aquatic plants of the genus Najas.
n, pl -ads or -ades (-əˌdiːz)
1. (Classical Myth & Legend) Greek myth a nymph dwelling in a lake, river, spring, or fountain
2. (Zoology) the aquatic larva of the dragonfly, mayfly, and related insects
3. (Plants) 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)
4. (Animals) any of certain freshwater mussels of the genus Unio. See mussel2
[C17: via Latin from Greek nāias water nymph; related to náein to flow]
nai•ad(ˈneɪ æd, -əd, ˈnaɪ-)
n., pl. -ads, -a•des (-əˌdiz)
1. (in Greek myth) any of a group of nymphs presiding over rivers and springs.
2. the aquatic nymph of certain insects, as the dragonfly or mayfly.
3. any of several aquatic plants of the genus Najas and family Najadaceae, having narrow opposite leaves and solitary flowers.
[1610–20; < Latin Nāïad- (s. of Nāïas) < Greek Nāïás a water nymph]
a nymph or spirit of rivers and streams.See also: Mythology
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|Noun||1.||naiad - submerged aquatic plant having narrow leaves and small flowers; of fresh or brackish water|
|2.||naiad - (Greek mythology) a nymph of lakes and springs and rivers and fountains|
Greek mythology - the mythology of the ancient Greeks
water nymph - (Greek mythology) any nymph of the water