• WordNet 3.6
    • n naiad (Greek mythology) a nymph of lakes and springs and rivers and fountains
    • n naiad submerged aquatic plant having narrow leaves and small flowers; of fresh or brackish water
    • ***
Webster's Revised Unabridged Dictionary
    • Naiad (Myth) 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.
    • Naiad (Bot) Any plant of the order Naiadaceæ, such as eelgrass, pondweed, etc.
    • Naiad (Zoöl) Any species of a tribe (Naiades) of freshwater bivalves, including Unio Anodonta, and numerous allied genera; a river mussel.
    • Naiad (Zoöl) One of a group of butterflies. See Nymph.
    • ***
Century Dictionary and Cyclopedia
    • n naiad In Greek and Roman mythology, a water-nymph; a female deity presiding over springs and streams. The Naiads were represented as beautiful young girls with their heads crowned with flowers, light-hearted, musical, and beneficent.
    • n naiad In botany, a plant of the genus Naias; also, sometimes, any plant of the Naiadaceæ.
    • n naiad One of the naiades or pearly fresh-water mussels; a fresh-water mollusk as distinguished from an oceanid or marine mollusk.
    • ***
Chambers's Twentieth Century Dictionary
    • n Naiad nā′yad a water-nymph or a goddess, presiding over rivers and springs
    • ***


Webster's Revised Unabridged Dictionary
L. naias, -adis, naïs, -idis, a water nymph, Gr nai:a`s nai:`s, fr. na`ein to flow: cf. F. naïade,. Cf. Naid
Chambers's Twentieth Century Dictionary
L. and Gr. naias, naiados, from naein, to flow.


In literature:

The Naiads, Nymphs of the fountains.
"Roman Antiquities, and Ancient Mythology" by Charles K. Dillaway
Neptune in a triumphal progress, with his Naiads tumbling about him, was no better off than Whitey and Pypey.
"The Atlantic Monthly, Volume 17, No. 101, March, 1866" by Various
Having paid my naiads, I took hold of the man-rope, as I was instructed by them, and mounted the side.
"Frank Mildmay" by Captain Frederick Marryat
For a fortnight we cruised without seeing any vessel but the Naiad.
"Percival Keene" by Frederick Marryat
Naiads (na'-yads), or Naiades (na-i'-a-deez), 166, 227.
"Myths and Legends of Ancient Greece and Rome" by E.M. Berens
No ruffling winds come hither to disease Thy pure and silver-wristed Naiades.
"The Hesperides & Noble Numbers: Vol. 1 and 2" by Robert Herrick
Many the time has she sprung from that projecting point to swim, naiad-like, underneath it.
"Gaspar the Gaucho" by Mayne Reid
And he examined the Naiad, and then Genifrede's drawing, with the attention of an artist.
"The Hour and the Man" by Harriet Martineau
Why it is thus, one knows in heaven above: But, a poor Naiad, I guess not.
"Endymion" by John Keats
The central figure of the group, a naiad, beckoned with a hand from which the water fell in a shower.
"The Girl and The Bill" by Bannister Merwin

In poetry:

For me the torrent ever pour'd
And glisten'd -- here and there alone
The broad-limb'd gods at random thrown
By fountain urns; -- and Naiads oar'd
"To Edward Lear: on His Travels in Greece" by Alfred Lord Tennyson
The poet dreams of olden ages flowing
Through the time-ocean to the listening soul,
Ages when from each fountain clear and glowing,
Unto the spirit Naiad voices stole.
"A Shell" by Walter Richard Cassels
On desperate seas long wont to roam,
Thy hyacinth hair, thy classic face,
Thy Naiad airs have brought me home
To the glory that was Greece
And the grandeur that was Rome.
"To Helen - 1831" by Edgar Allan Poe
Must I no longer seek the noon-tide shade,
Where silver-footed Naiads pace along;
Or on their banks, 'midst balmy flow'rets laid,
Sleep to the murmurs of their chiming song?
"Time: An Elegy. Written Near The Ruins Of Elgin Cathedral" by Robert Alves
Naiads and Nymphs hold revels at midnight,
Dancing to music that swells from your flow;
Dryad and Faun peep out at the moonlight,
Thro' rents in green curtains that over you grow.
"To A Mountain Brook" by Jared Barhite
Four limpid lakes,--four Naiades
Or sylvan deities are these,
In flowing robes of azure dressed;
Four lovely handmaids, that uphold
Their shining mirrors, rimmed with gold,
To the fair city in the West.
"In The Harbour: The Four Lakes Of Madison" by Henry Wadsworth Longfellow

In news:

Grier, who wanted to provide lesbian readers with stories that could help them lead happier lives, and her longtime partner launched Naiad Press in 1973 and built it into a $1-million business.

In science:

The results are compared with those of Ref. 4 and shown to further limit the parameter space. We additionally compare both F-based experiments with the most recent NAIAD results . No comparison is made with DAMA, since their results for 23Na and 127I are not presented independently.
Exclusion limits on spin dependent WIMP-nucleon couplings from the SIMPLE experiment
Fig. 2: spin dependent exclusion plots for WIMP mass of (a) 50 GeV/c2, (b) 20, (c) 50, and (d) 100 GeV/c2, with (a) and (d) identical except for scaling, for SIMPLE (solid), Tokyo NaF (dash-dotted); NAIAD results are represented as a dashed (2003 results) and a dotted (2000).
Exclusion limits on spin dependent WIMP-nucleon couplings from the SIMPLE experiment
UKDMC is also preparing, NAIAD (NaI Advanced Detector) which will consist of 50–100 kg in a set of crystals.
Direct detection of WIMPs with conventional (non-cryogenic) detectors. Experimental review
Within this formulation, the SIMPLE results are already seen to eliminate a large part of the parameter space allowed by NAIAD at this mass cut.
Recent Results from the SIMPLE Dark Matter Search