Definitions for naiadˈneɪ æd, -əd, ˈnaɪ-; -əˌdiz
Random House Webster's College Dictionary
nai•adˈneɪ æd, -əd, ˈnaɪ-; -əˌdiz(n.)(pl.)-ads, -a•des
(in Greek myth) any of a group of nymphs presiding over rivers and springs.
the aquatic nymph of certain insects, as the dragonfly or mayfly.
any of several aquatic plants of the genus Najas and family Najadaceae, having narrow opposite leaves and solitary flowers.
Origin of naiad:
1610–20; < L Nāïad- (s. of Nāïas) < Gk Nāïás a water nymph
naiad, water nymph(noun)
submerged aquatic plant having narrow leaves and small flowers; of fresh or brackish water
(Greek mythology) a nymph of lakes and springs and rivers and fountains
A female deity (nymph) associated with water, especially a spring, stream, or other fresh water.
The aquatic larva (nymph) of a dragonfly or damselfly.
Origin: naias, from Ναϊάς, from νάειν.
a water nymph; one of the lower female divinities, fabled to preside over some body of fresh water, as a lake, river, brook, or fountain
any species of a tribe (Naiades) of freshwater bivalves, including Unio, Anodonta, and numerous allied genera; a river mussel
one of a group of butterflies. See Nymph
any plant of the order Naiadaceae, such as eelgrass, pondweed, etc