• WordNet 3.6
    • n Requiem a Mass celebrated for the dead
    • n Requiem a musical setting for a Mass celebrating the dead
    • n requiem a song or hymn of mourning composed or performed as a memorial to a dead person
    • ***
Webster's Revised Unabridged Dictionary
    • Requiem (R.C.Ch) A mass said or sung for the repose of a departed soul. "We should profane the service of the dead
      To sing a requiem and such rest to her
      As to peace-parted souls."
    • Requiem Any grand musical composition, performed in honor of a deceased person.
    • Requiem Rest; quiet; peace. "Else had I an eternal requiem kept,
      And in the arms of peace forever slept."
    • ***
Century Dictionary and Cyclopedia
    • n requiem In the Roman Catholic Church, the mass for the dead.
    • n requiem A musical setting of the mass for the dead. The usual sections of such a mass are the Requiem, the Kyrie, the Dies iræ (in several sections), the Domine Jesu Christe, the Sanctus, the Benedictus, the Agnus Dei, and the Lux æterna.
    • n requiem Hence, in popular usage, a musical service or hymn for the dead. Compare the popular use of dirge.
    • n requiem Rest; quiet; peace.
    • n requiem Synonyms Dirge, Elegy, etc. See dirge.
    • ***
Chambers's Twentieth Century Dictionary
    • n Requiem rē′kwi-em a hymn or mass sung for the rest of the soul of the dead: a grand musical composition in honour of the dead:
    • n Requiem rē′kwi-em (obs.) rest, peace
    • ***


Webster's Revised Unabridged Dictionary
Acc. of L. requies, rest, the first words of the Mass being “Requiem, aeternam dona eis, Domine,” give eternal rest to them, O lord; pref. re-, re + quies, quiet. See Quiet (n.), and cf. Requin
Chambers's Twentieth Century Dictionary
L., accus. of requies—(re-, inten., quies, rest); so called from the initial words of the introit, Requiem æternam dona eis, Domine! 'Give eternal rest to them, O Lord!'


In literature:

It is all in the key of "Ye Banks and Braes o' Bonnie Doon," and that would be an appropriate key for a requiem over the grave of George Eliot.
"The Essays of "George Eliot" Complete" by George Eliot
But the mysterious ladies remained, and the requiem went on.
"ZigZag Journeys in Northern Lands;" by Hezekiah Butterworth
Those tears were Old Pete's requiem.
"Tharon of Lost Valley" by Vingie E. Roe
A requiem or a funeral march would have been intelligible.
"The First Violin" by Jessie Fothergill
Chant, where the Indian fell, their requiem o'er his woes.
"Graham's Magazine, Vol. XXXII No. 4, April 1848" by Various
Mozart's "Requiem" given by the Handel and Haydn Society in Boston.
"Annals of Music in America" by Henry Charles Lahee
And so the soldier finally fell asleep, with that requiem ringing in his ears.
"The Strollers" by Frederic S. Isham
It languished for about three years and its enemies sang cheerful requiems for the dead.
"The History of Woman Suffrage, Volume VI" by Various
I have said elsewhere that the hum of the bee in December is the requiem of winter.
"Under the Maples" by John Burroughs
The toad will croak his requiem, and the viper will coil beneath the thistle growing over his head.
"A Rebel War Clerk's Diary at the Confederate States Capital" by John Beauchamp Jones

In poetry:

En ruischend staan aan d' oever uwer golven
De dennen daar, en mengelen hun stem
Als monniken ten somber Requiem
Voor al de dooden, in uw schoot bedolven!
"Bij De Zee" by Jan Jakob Lodewijk ten Kate
This little dirge will please me more
Than the full requiem's swelling peal;
I'd rather than that crowds should sigh
For me, that from some kindred eye
The trickling tear should steal.
"To My Lyre" by Henry Kirke White
Now mournful is the solemn strain,
And sadly I am weeping.
For those I love in battle slain,
Who all unknown are sleeping,
Like murmuring of ocean shells,
Swells your sad requiem, memory bells.
"The First Grey Hair" by Mary Eliza Perine Tucker Lambert
The birds will soon their carols cease,
And crows are homeward hieing;
The gloaming deepens, stars increase,
The weary day is dying -
Its requiem, murmurous of peace,
The vesper winds are, sighing.
"When The Light Is As Darkness" by Harry Breaker Morant
They have gone to their home—their last resting-place
The blue waves embraced and called them their own;
While the depths of the sea and the billows thereof
Are mournfully sighing their sad requiem.
"Tribute To A Lost Steamer" by Mary Weston Fordham
Ah! who is left behind,
Earnest and eloquent, sincere and strong,
To consecrate their memories with words
Not all unmeet? with fitting dirge and song
To chant a requiem purer than the wind,
And sweeter than the birds?
"Heroes" by Emma Lazarus

In news:

A Requiem For Gore Vidal .
Take it away, deeply disturbing clip from Requiem for a Dream.
Requiem for the Redhead.
In February of 1960 Kurchatov went to a performance of Mozart's Requiem .
Requiem for a Rapper.
Requiem for the DLC.
Mozart's Requiem Performance Supports Chum.
Tacoma Symphony Orchestra to Feature Faure's Requiem .
Requiem for Fossil Fuels (O & A).
The first event of this season's New Sounds Live concert series is " Requiem for Fossil Fuels," a site-specific memorial mass combining human voices and ambient sound.
Requiem for a Dream is directed by Darren Aronofsky, who scored a stunning 1998 debut with Pi, a low-budget indie flick with a restless camera that bent the world into new shapes.
When you think of the great choral works throughout history, surely the Mozart Requiem is on everyone's top ten, or maybe top five.
Requiem for a Meter Man No more strange footprints in the snow.
Requiem for the Record Industry.
Auditions open for ' Requiem '.

In science:

The brightest representatives of art, say, Mozart, Mendelsohn, etc., even though they were known as wunderkinds from early age, achieved their full maturity only at the time of their death, e.g. recall Requiem (for Mozart) or 9-th symphony for Beethoven, etc.
Landau's Last Paper and its Impact on Developments in Mathematics, Physics and Other Disciplines in New Millennium
As the LHC experiments become sensitive to hypothetical new particles with TeV masses, we are reminded of the phrase from the Latin Requiem Mass.
Summary of Lepton Photon 2011