• WordNet 3.6
    • n rustler someone who steals livestock (especially cattle)
    • ***
Webster's Revised Unabridged Dictionary
    • Rustler A bovine animal that can care for itself in any circumstances; also, an alert, energetic, driving person.
    • Rustler One who, or that which, rustles.
    • ***
Century Dictionary and Cyclopedia
    • n rustler One who or that which rustles.
    • n rustler One who works or acts with energy and promptness; an active, efficient person; a “hustler”; originally, a cowboy.
    • n rustler A cowman who procures his stock by capturing the cattle of other owners and branding them as his own; a cattle-thief.
    • ***
Chambers's Twentieth Century Dictionary
    • ns Rustler one who, or that which, rustles:
    • ns Rustler (U.S.) an active fellow
    • ***


Chambers's Twentieth Century Dictionary
Skeat makes it a freq. of Sw. rusta, to stir, a variant of Old Sw. ruska, to shake. Cf. Rush; and cf. Ger. rauschen, ruschen, to rustle.


In literature:

Somethin' about rustlers an' outlaws.
"'Drag' Harlan" by Charles Alden Seltzer
As Johnny fell, the rustler ducked low and sprang for the door.
"The Boy Scouts Book of Campfire Stories" by Various
The cold, cruel eyes of the ex-rustler gripped those of Dillon and held them.
"The Fighting Edge" by William MacLeod Raine
He was a rustler, a horse thief.
"Crooked Trails and Straight" by William MacLeod Raine
It could be a rustler's cave if there were any rustlers around.
"Across the Mesa" by Jarvis Hall
But, more than anything else, it's Del Pinzo and his gang of rustlers.
"The Boy Ranchers in Camp" by Willard F. Baker
Rustlers up to their old tricks, I reckon.
"The Boy Ranchers at Spur Creek" by Willard F. Baker
I'm no rustler, and no friend of rustlers, if that's what you're hinting at.
"The Ranch at the Wolverine" by B. M. Bower
The ear-slit was first found necessary because of the activities of the rustlers.
"Arizona's Yesterday" by John H. Cady
Rustlers had ridden down from the north, raiding the valley.
"Valley of Wild Horses" by Zane Grey

In poetry:

He turned — he saw the muleteers
Come surging from below,
(Like a rustlers' crowd you see on screen
At a moving picture show).
"The Ballad Of The Dinkinbar" by Cicely Fox Smith

In news:

This March 2009 photo released by the Texas Rustlers Guinea Pig Rescue shows one of the more than 100 guinea pigs that took part in the Forth Annual Guinea Pig Hoedown in Grapevine,Tx.
Vancouver Giants trade Matt Bellerive to Red Deer Rustlers.
And we were glad we did, because these are Rustler 's Rooste's two best carnivore options.
Two alleged rattlesnake rustlers are facing federal charges in the illegal capture of venomous snakes in Pennsylvania and New Jersey to sell through their mail-order reptile business.
In the worst single incident for Kenyan police in living memory, 38 officers were killed in northern Kenya over the weekend by heavily armed cattle rustlers, according to injured police reservists who were on the scene.
38 Kenyan officers killed in ambush involving cattle rustlers.
Federated Farmers is warning sheep rustlers and poachers that rural communities are watching them following arrests in the Bay of Plenty.
Formally #1 ranked CMR Rustler Football is regaining their confidence after a dominating performance against Flathead.
Former Rustler earns Tom Trehearne Memorial Buckle .
Convicted cattle rustler wants to be hanged.
Cattle Rustlers Kill Police Officers During Ambush in Northern Kenya, Officials Say.
Rattlesnake rustlers flew illegal Pa. Snakes to Fla. November 14, 2012 By Sam Wood, BREAKING NEWS DESK.
This new RPM gearbox housing fits popular Traxxas 2wd vehicles like the Slash 2wd, Stampede 2wd, e-Rustler and Bandit.
Cattle Rustlers Kill Police Officers During Ambush in Northern Kenya , Officials Say.
Later, Mexican War troops, Texas Rangers chasing cattle rustlers, and smugglers crossed there.