• WordNet 3.6
    • n tracker someone who tracks down game
    • ***
Webster's Revised Unabridged Dictionary
    • Tracker (Mus) In the organ, a light strip of wood connecting (in path) a key and a pallet, to communicate motion by pulling.
    • Tracker One who, or that which, tracks or pursues, as a man or dog that follows game. "And of the trackers of the deer
      Scarce half the lessening pack was near."
    • ***
Century Dictionary and Cyclopedia
    • n tracker One who finds or shows a track or path; a guide.
    • n tracker One who tracks or tows a boat or raft, as on a river or canal.
    • n tracker In organ-building, a thin strip or ribbon of wood used to transmit a pulling motion from one lever to another: opposed to sticker, which acts by pushing. See cut under organ.
    • n tracker pl See sticker, 6.
    • n tracker One who or that which pursues or hunts by following the track or trail; a trailer.
    • n tracker One who observes and follows.
    • ***
Chambers's Twentieth Century Dictionary
    • Tracker one who, or that which, tracks
    • ***


Chambers's Twentieth Century Dictionary
Fr. trac—Dut. trek, draught, trekken, to draw.


In literature:

He remembers Sime's reputation as a tracker; he no longer feels safe.
"The Death Shot" by Mayne Reid
The trackers had made out their footprints in the mud of the arroyo.
"The War Trail" by Mayne Reid
All of us rode after the trackers.
"The Hunters' Feast" by Mayne Reid
But the trackers were not called upon to sustain its shock, as those they were tracking up.
"Gaspar the Gaucho" by Mayne Reid
Who was the best tracker when we played at Indians and colonists, I should like to know?
"The Dew of Their Youth" by S. R. Crockett
Yet we did not dream of doubting or questioning Lavigne's assertion, for he was known to be a skilled and expert tracker.
"The Cryptogram" by William Murray Graydon
With beating hearts the trackers kept on; now scanning the cliffs on each hand, now bending their eyes in advance.
"The Plant Hunters" by Mayne Reid
I'm some little of a tracker myself; and, perhaps, I can make out the path.
"The Wild Huntress" by Mayne Reid
There were a half dozen pillars the tracker could use for cover.
"Smugglers' Reef" by John Blaine
He was a good tracker and knew it at once.
"In the Musgrave Ranges" by Jim Bushman

In poetry:

Then on the squatter’s brow the frown
Went blacker still and blacker;
He sent a man to bring from town
A trooper and a tracker.
"The Squatter’s Daughter" by Henry Lawson
Now often to the station comes
An old and wrinkled tracker:
They cheer his heart with plenty rum,
And “plenty pheller bacca”.
"The Squatter’s Daughter" by Henry Lawson
A day and night the party lose;
The track the tracker parried;
And then a stockman brought the news—
“The runaways were married!”
"The Squatter’s Daughter" by Henry Lawson
THERE was a tracker in the force
Of wondrous sight (the story ran):—
He never failed to track a horse,
He never failed to find his man.
"The Black Tracker (Or: Why He Lost The Track)" by Henry Lawson

In news:

Flight tracker and airport status.
George Zimmerman must keep wearing GPS tracker, judge says.
George Zimmerman must keep wearing GPS tracker, judge says.
Accused killer Zimmerman wants GPS tracker removed.
Zimmerman Must Keep Wearing GPS Tracker.
Zimmerman can't remove GPS tracker, judge rules.
George Zimmerman must keep wearing GPS tracker.
La Joya ISD implements GPS tracker to reduce truancy cases.
Dinosaur tracker Ray Stanford just made a thrilling discovery.
Big Easy Baseball Pros is The Times-Picayune's tracker of Major League Baseball players from the New Orleans metro area and local colleges.
" Hedge accounting will become more important, something Hedge Trackers can assist us with," Edgeworth says. has a real-time tracker of homophobic language on Twitter.
Health and fitness app users hooked on workout trackers.
Storm trackers have projected that the storm could reach landfall in the southern United States by the end of the week or early next week.
Controversial Tracker CarrierIQ Found on iPhone (in Limited Form).

In science:

Tracker type solutions may be obtained for negative powers of n < 0 in W (φ) .
Exact Inflationary Solutions from a Superpotential
Froidevaux et al., “Particle identification performance of a straw Transition Radiation Tracker prototype”, Nucl.
Prototype tests for the ALICE TRD
Events with multiple γ -rays in the tracker were quite undesirable.
A Search for Gamma-Ray Bursts and Pulsars, and the Application of Kalman Filters to Gamma-Ray Reconstruction
In that case, the code creates a “virtual” hit with a position outside the tracker.
A Search for Gamma-Ray Bursts and Pulsars, and the Application of Kalman Filters to Gamma-Ray Reconstruction
The tracker was found to be nearly aligned as constructed.
A Search for Gamma-Ray Bursts and Pulsars, and the Application of Kalman Filters to Gamma-Ray Reconstruction