• WordNet 3.6
    • n loon large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes
    • n loon a worthless lazy fellow
    • n loon a person with confused ideas; incapable of serious thought
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: In Canada, the $1 and $2 come in the form of coins. The $1 is nicknamed a "loonie" because it contains a loon on it and the $2 is nicknamed the "twonie" because it is the equivalent of two "loonies."
    • n Loon A sorry fellow; a worthless person; a rogue.
    • n Loon (Zoöl) Any one of several aquatic, wed-footed, northern birds of the genus Urinatorformerly Colymbus), noted for their expertness in diving and swimming under water. The common loon, or great northern diver (Urinator imber, or Colymbus torquatus), and the red-throated loon or diver (Urinator septentrionalis), are the best known species. See Diver.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The hummingbird, the loon, the swift, the kingfisher, and the grebe are all birds that cannot walk.
    • n loon A stupid fellow; a clown: with various shades of intensity as an opprobrious epithet, like fool, dolt, etc.
    • n loon A four-toed diving bird of the genus Colymbus or Urinator. See Colymbidæ. There are several species, all inhabiting the northern hemisphere. The great northern diver, ring-necked loon, or ember-goose, C. torquatus or C. glacialis or Urinator imber, is from 30 to 36 inches long, and 4½ feet in stretch of wings; when adult it is glossy-black with greenish and purplish metallic reflections on the head and neck, which, with the back, are marked regularly with white spots. The under parts are white, and the bill is black. C. adamsi, the yellow-billed loon, is somewhat larger. The black-throated loon or diver, C. arcticus, resembles the foregoing, but is smaller, with much of the head clear bluish-gray. The red-throated loon, C. septentrionalis, is much like C. arcticus, but is smaller still, and has a chestnut patch on the throat. Both the two smaller loons, the red- and the black-throated, are also called speckled loons, and a variety of the former, from the western coast of North America, is recognized as C. pacificus. (See diver, 1 .) The wild actions of the loon in escaping danger and its dismal cry (see looning) suggest the idea of insanity; whence the common (American) simile “as crazy as a loon.”
    • n loon A name used locally for several very different birds: in England, for some of the grebes, including the large Podiceps cristatus and the little dabchick, P. minor; by sailors often in the form loom, for the murre, Lomvia arra.
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Chambers's Twentieth Century Dictionary
    • n Loon lōōn a low fellow: a rascal:
    • n Loon lōōn a genus of web-footed aquatic birds, the Divers, with short wings, and legs placed very far back—also Loom
    • n Loon lōōn (Scot.) a lad.
    • ***


Webster's Revised Unabridged Dictionary
Scot. loun, lown, loon,; akin to OD. loen, a stupid man; prob. for an older lown, and akin to E. lame,
Chambers's Twentieth Century Dictionary
Old Dut. loen, a stupid fellow, lome, slow.


In literature:

The loons came semicircling along the sea wall, their necks aslant, and uttering cries in a mocking tone.
"True to His Home" by Hezekiah Butterworth
Whar I git my jawbone fix; All dem coon-loons eatin' wid a spoon!
"Negro Folk Rhymes" by Thomas W. Talley
But never before nor since have any of them behaved as wildly as the one that a loon got hold of.
"Forest Neighbors" by William Davenport Hulbert
It's you lazy loons of men that stop working and take your pleasure when night comes.
"One Snowy Night" by Emily Sarah Holt
Some were singing, some dancing, and that great medicine-man, the Loon, was among them, blowing his sacred whistle.
"Wigwam Evenings" by Charles Alexander Eastman and Elaine Goodale Eastman
I could have heard you out at Loon Rock Light, you shouted so.
"A Likely Story" by William Dean Howells
However, the robins sang from the damp woods and the loons laughed from hidden lakes.
"The Trail of the Goldseekers" by Hamlin Garland
The whip-poor-will that all evening had been mourning on the hillside, and the loon that had called across the water, were hushed.
"Treasure Valley" by Marian Keith
I am no more lonely than the loon in the pond that laughs so loud, or than Walden pond itself.
"The Best of the World's Classics, Restricted to Prose, Vol. X (of X) - America - II, Index" by Various
There was a lake up the hollow, and now and then the wild and mournful cry of a loon rang out.
"Blake's Burden" by Harold Bindloss

In poetry:

Swift or swallow on the wing
Seems the only living thing,
Or the loon, that laughs and flies
Down to those reflected skies.
"Songo River. (Birds Of Passage. Flight The Fourth)" by Henry Wadsworth Longfellow
The pines stood black against the moon,
A sword of fire beyond;
He heard the wolf howl, and the loon
Laugh from his reedy pond.
"Norembega" by John Greenleaf Whittier
Whan mony a day had come an' gane,
An' cam' nae mair dragoons,
An' John had maistly tint the fear
O' the black an' bluidy loons.
"Ballad of The New Monkland Martyr" by Janet Hamilton
Now have the ages met in the Northern midnight,
And on the lonely, loon-haunted Nipigon reaches
Rises the hymn of triumph and courage and comfort,
Adeste Fideles.
"Night Hymns On Lake Nipigon" by Duncan Campbell Scott
The wind is moaning among the trees,
Along the shore where the shadows lie,
And faintly borne on the fresh'ning breeze
From yonder point comes the loon's wild cry.
"Autumn Days" by William Henry Drummond
Alas! for puir Mary, sae sweet, an' sae fair,
She teuk nae advice, sae they priggit nae mair:
Ere lang she was wedded tae sleekie Tam Broon,
Nor lang till she faund him a fause, drucken loon.
"The Ballad O' Mary Muiren" by Janet Hamilton

In news:

Loons fall to Whitecaps in 12 innings .
Former Loons pitcher Clayton Kershaw , youngest player to win Clemente award.
The Loons finished 33-37 in the second half, 67-73 overall.
Outfielder Scott Schebler set a Great Lakes Loons franchise record, playing in his 137th game of the season.
Great Lakes Loons 3, South Bend Silver Hawks 0.
The suspect in a Loon Lake road rage shooting incident in March has pleaded guilty on an assault charge and has been sentenced to 45 months in prison.
Loons also have short legs set far under the body.
The author Kip Taylor, while studying loons on Adirondack lakes, found the average loon dive lasted 90 seconds before diving loons submerge their heads to look for fish and predators.
Women's Mountain Running Team Decided at Loon .
Loon Mountain Race – Lincoln, Nh.
Researchers who analyzed the yodels of 58 banded male Common Loons on lakes in north-central Wisconsin have determined that the vocalizations are more than a treasured soundtrack of the North Woods.
They're reliable indicators of a loon 's motivation to fight for its territory.
The world is watching a pair of nesting loons on Connor's Lake in Anchorage.
At that time, Tam says, the loons were not doing so well.
A loon regains its water wings.

In science:

This type confirms WOH G64 as the latest-type RSG in the LMC, although it is considerably earlier than the M7.5 types discussed in Elias et al. (1986) and van Loon et al. (2005).
The Physical Properties of the Red Supergiant WOH G64: The Largest Star Known?
We have included too the locations of the star from van Loon et al. (2005) and Ohnaka et al. (2008).
The Physical Properties of the Red Supergiant WOH G64: The Largest Star Known?
However, there is currently no evidence for spectral variability based on past observations; spectra obtained by Elias et al. (1986), van Loon et al. (2005), and this work all show WOH G64 remaining in a consistent, cool, late-M-type state.
The Physical Properties of the Red Supergiant WOH G64: The Largest Star Known?
Fig. 4.— Position of WOH G64 on the HRD, based on the parameters derived in van Loon et al. (2005) (filled pentagon), Ohnaka et al. (2008) (filled square), and the parameters adopted in this paper (open star).
The Physical Properties of the Red Supergiant WOH G64: The Largest Star Known?
The relative neighborhood graph is obtained by joining all pairs whose loon is empty, where the loon defined by a pair is the intersection of two spheres of equal radius, each having one point as center and the other point on its surface (see Toussaint ).
On the Expected Maximum Degree of Gabriel and Yao Graphs