• WordNet 3.6
    • n lagging used to wrap around pipes or boilers or laid in attics to prevent loss of heat
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: Before jets, jet lag was called boat lag.
    • Lagging Lags, collectively; narrow planks extending from one rib to another in the centering of arches.
    • Lagging (Mach) The clothing (esp., an outer, wooden covering), as of a steam cylinder, applied to prevent the radiation of heat; a covering of lags; -- called also deading and cleading.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The phrase "jet lag" was once called "boat lag", back before airplanes existed.
    • n lagging The act of walking or moving slowly, or of falling behind.
    • n lagging In architecture, the planking, consisting of narrow strips, extending from one rib of the centering of an arch, vault, or tunnel to another, and affording direct support to the voussoirs until the arch or vault is closed in.
    • n lagging In mining, strips of wood or light timbers laid across the stulls in the drifts to prevent fragments of rock from falling through. In some coal-mines bars or rails of iron are used for this purpose, and give an important increment of strength to the construction. Sometimes called lacing.
    • n lagging In machinery, same as deading.
    • n lagging A covering for the face of a pulley, designed to increase its effective diameter or to augment the adhesion of the belt.
    • n lagging Same as lag, n., 7.
    • n lagging Nautical, the part of a barrel-stave beyond the head. Also spelled laggin.
    • ***


In literature:

The unprotected roof was lagged with sacks and sheep-skins and, after this had been effected, the hut became practically windtight.
"The Home of the Blizzard" by Douglas Mawson
But I also noticed that he began to look worn, that his conversation with me lagged.
"Mrs. Falchion, Complete" by Gilbert Parker
Out of your miseries, the convict's lagging step, you say?
"The Battle Of The Strong, Complete A Romance of Two Kingdoms" by Gilbert Parker
She went up the stairs, at first swiftly, then more slowly, then with almost lagging feet.
"The Weavers, Complete" by Gilbert Parker
But England always lags behind in art, always follows at the heels of the French.
"December Love" by Robert Hichens
They had extra ponies, too, that they swung themselves over on when the ridden beasts began to lag a little.
"Army Letters from an Officer's Wife, 1871-1888" by Frances M.A. Roe
Try it the next time you meet some friends and you find that conversation lags.
"Book of Etiquette, Volume 2" by Lillian Eichler Watson
There was a lagging, anxious silence, and then all of a sudden there was an explosion of firearms and a cry.
"The Adventures of Tom Sawyer, Part 7." by Mark Twain (Samuel Clemens)
Into every country electric light has already been introduced, only Russia lags behind.
"Plays by Chekhov, Second Series On the High Road, The Proposal, The Wedding, The Bear, A Tragedian In Spite of Himself, The Anniversary, The Three Sisters, The Cherry Orchard" by Anton Chekhov
Jim began to obey, and his mother, leaving Mike inside to think over her remarks on cooking, stood waiting for his lagging feet.
"The Widow O'Callaghan's Boys" by Gulielma Zollinger

In poetry:

The radiance of the star that leans on me
Was shining years ago. The light that now
Glitters up there my eyes may never see,
And so the time lag teases me with how
"Delay" by Elizabeth Jennings
And will he wonder where the soul may lag
That once urged on its wings to starward flight?
Pooh! He will mumble forth some pious tag,
And cast the livid skull away from sight!
"Brooding" by Josef Svatopluk Machar
To the cuckoo she called, `Why lag you now?
The woodpecker nests in the rotten bough;
The song—thrush pipes to his brooding mate,
And the thistlefinch pairs: you alone are late.'
"The Passing Of Spring" by Alfred Austin
The best of our cattle-dogs lagged at last,
His strength gave out ere the plains were passed,
And our hearts grew sad when he crept and laid
His languid limbs in the nearest shade.
"The Cattle-Dog's Death" by Henry Lawson
Carols of lonesome love! Death's carols!
Carols under that lagging, yellow, waning moon!
O, under that moon, where she droops almost down into the sea!
O reckless, despairing carols.
"Sea-Shore Memories" by Walt Whitman
You grinnèn fool! why I'd zet thee a-blowèn,
If thou wast wi' me vor a day a-mowèn.
I'd wear my cwoat, an' thou midst pull thy rags off,
An' then in half a zwath I'd mow thy lags off.
"Eclogue:--The Best Man In The Vield" by William Barnes

In news:

The United States remained just average in reading and science, while lagging a bit in mathematics, according to the Program for International Student Assessment ( PISA ) results.
With the economy continuing to lag, merchants are focusing on improving the online shopping cart as a way to capture as many as possible of the dollars consumers do have to spend, a new study says.
After lagging for months at historic lows, Mitt Romney's personal popularity has advanced in the final weekend to its highest of the 2012 campaign, rivaling Barack Obama's.
Team USA women's soccer may be the world's best, but its male counterpart lags far behind.
Jet-lag solutions: If eating schnitzel doesn't work, try mind tricks.
Does NASA have the best solution for combatting jet lag.
MMM > News > DTC spend lags as firms scrimp on launches, says TNS.
Afghan security force 's rapid expansion comes at a cost as readiness lags.
Jobs and Production Lag Goals.
Lack of leisure time and disposable income, and a culture that places a premium on scholastics, has left China's youth lagging behind their western counterparts when it comes to shredding .
Adoption rates still lag behind those in several nations, however, and physicians in 10 surveyed countries report continued frustrations over access and coordination problems.
(The 2012 Republican field is lagging behind the fundraising pace set by their counterparts in the 2008 contest.
The military always seems to lag behind the rest of society in making changes.
MINNEAPOLIS — Minnesota coach Jerry Kill's plan for strengthening his long-lagging program is to keep the nonconference schedules as nonthreatening as possible.
Southern States Lag Behind in Women's Sports.

In science:

This implies that IAEs appear to be lagged after spiral crossings as predicted.
The Spiral Structure of the Milky Way, Cosmic Rays, and Ice Age Epochs on Earth
It only shifts the preferred lag to slightly larger values.
The Spiral Structure of the Milky Way, Cosmic Rays, and Ice Age Epochs on Earth
The distribution of CRs is both lagging behind the spiral crossings (when defined for example by the HII regions) and skewed towards later times.
The Spiral Structure of the Milky Way, Cosmic Rays, and Ice Age Epochs on Earth
Being a measure only of the arithmetic operations in the generator rule, the conditional entropy is independent of the lag in the recurrence or the period of the sequence.
Entropy of Pseudo Random Number Generators
In 1992, Ferrenberg et al. reported serious problems with lagged Fibonacci generators when applied in cluster MC simulations of the 2D-Ising model with the Wolff algorithm.
Entropy of Pseudo Random Number Generators