The Collaborative International Dictionary of English v.0.48:

Charger \Char"ger\, n.
   1. One who, or that which charges.
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   2. An instrument for measuring or inserting a charge.
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   3. A large dish. [Obs.]
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            Give me here John Baptist's head in a charger.
                                                  --Matt. xiv.
                                                  8.
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   4. A horse for battle or parade. --Macaulay.
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            And furious every charger neighed.    --Campbell.
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WordNet (r) 3.0 (2006):

charger
    n 1: formerly a strong swift horse ridden into battle [syn:
         charger, courser]
    2: a device for charging or recharging batteries [syn:
       charger, battery charger]

Moby Thesaurus II by Grady Ward, 1.0:

26 Moby Thesaurus words for "charger":
   Houyhnhnm, brood mare, colt, courser, critter, dobbin, entire,
   entire horse, equine, filly, foal, gelding, horse, mare, mount,
   nag, prancer, stallion, steed, stud, studhorse, tarpan, top horse,
   trooper, war-horse, wild horse



Easton's 1897 Bible Dictionary:

Charger
   a bowl or deep dish. The silver vessels given by the heads of
   the tribes for the services of the tabernacle are so named (Num.
   7:13, etc.). The "charger" in which the Baptist's head was
   presented was a platter or flat wooden trencher (Matt. 14:8, 11;
   Mark 6:25, 28). The chargers of gold and silver of Ezra 1:9 were
   probably basins for receiving the blood of sacrifices.


Bouvier's Law Dictionary, Revised 6th Ed (1856):

CHARGER, Scotch law. He in whose favor a decree suspended is pronounced; vet
a decree may be suspended before a charge is given on it. Ersk. Pr. L. Scot.
4, 3, 7.