The Collaborative International Dictionary of English v.0.48:

Brand \Brand\, v. t. [imp. & p. p. Branded; p. pr. & vb. n.
   Branding.].
   1. To burn a distinctive mark into or upon with a hot iron,
      to indicate quality, ownership, etc., or to mark as
      infamous (as a convict).
      [1913 Webster]

   2. To put an actual distinctive mark upon in any other way,
      as with a stencil, to show quality of contents, name of
      manufacture, etc.
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   3. Fig.: To fix a mark of infamy, or a stigma, upon.
      [1913 Webster]

            The Inquisition branded its victims with infamy.
                                                  --Prescott.
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            There were the enormities, branded and condemned by
            the first and most natural verdict of common
            humanity.                             --South.
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   4. To mark or impress indelibly, as with a hot iron.
      [1913 Webster]

            As if it were branded on my mind.     --Geo. Eliot.
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The Collaborative International Dictionary of English v.0.48:

Brand \Brand\, n. [OE. brand, brond, AS. brand brond brand,
   sword, from byrnan, beornan, to burn; akin to D., Dan., Sw.,
   & G. brand brand, Icel. brandr a brand, blade of a sword.
   [root]32. See Burn, v. t., and cf. Brandish.]
   1. A burning piece of wood; or a stick or piece of wood
      partly burnt, whether burning or after the fire is
      extinct.
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            Snatching a live brand from a wigwam, Mason threw it
            on a matted roof.                     --Palfrey.
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   2. A sword, so called from its glittering or flashing
      brightness. [Poetic] --Tennyson.
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            Paradise, so late their happy seat,
            Waved over by that flaming brand.     --Milton.
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   3. A mark made by burning with a hot iron, as upon a cask, to
      designate the quality, manufacturer, etc., of the
      contents, or upon an animal, to designate ownership; --
      also, a mark for a similar purpose made in any other way,
      as with a stencil. Hence, figurately: Quality; kind;
      grade; as, a good brand of flour.
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   4. A mark put upon criminals with a hot iron. Hence: Any mark
      of infamy or vice; a stigma.
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            The brand of private vice.            --Channing.
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   5. An instrument to brand with; a branding iron.
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   6. (Bot.) Any minute fungus which produces a burnt appearance
      in plants. The brands are of many species and several
      genera of the order Puccini[ae]i.
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WordNet (r) 3.0 (2006):

brand
    n 1: a name given to a product or service [syn: trade name,
         brand name, brand, marque]
    2: a recognizable kind; "there's a new brand of hero in the
       movies now"; "what make of car is that?" [syn: brand,
       make]
    3: identification mark on skin, made by burning
    4: a piece of wood that has been burned or is burning [syn:
       brand, firebrand]
    5: a symbol of disgrace or infamy; "And the Lord set a mark upon
       Cain"--Genesis [syn: mark, stigma, brand, stain]
    6: a cutting or thrusting weapon that has a long metal blade and
       a hilt with a hand guard [syn: sword, blade, brand,
       steel]
    v 1: burn with a branding iron to indicate ownership; of animals
    2: to accuse or condemn or openly or formally or brand as
       disgraceful; "He denounced the government action"; "She was
       stigmatized by society because she had a child out of
       wedlock" [syn: stigmatize, stigmatise, brand,
       denounce, mark]
    3: mark with a brand or trademark; "when this product is not
       branded it sells for a lower price" [syn: brand,
       trademark, brandmark]
    4: mark or expose as infamous; "She was branded a loose woman"
       [syn: post, brand]

Moby Thesaurus II by Grady Ward, 1.0:

381 Moby Thesaurus words for "brand":
   acid, actual cautery, aroma, ash, ashes, aspersion, attaint,
   attribute, badge, badge of infamy, bar sinister, baton, bedaub,
   bend sinister, besmear, besmirch, besmoke, bespatter, bestain,
   billhead, birthmark, black eye, black mark, blacken, blaze,
   blaze a trail, blemish, blister, blood, bloodstain, blot, blotch,
   blow upon, blur, body-build, book stamp, bookplate, brand iron,
   branding iron, breed, broad arrow, burn, burn in, burn off,
   burning ember, butane lighter, cachet, calx, carbon, cast,
   caste mark, caustic, cauter, cauterant, cauterize, cauterizer,
   cautery, censure, chalk, chalk up, champain, char, character,
   characteristic, characteristics, characterize, charcoal, check,
   check off, checkmark, cicatrix, cicatrize, cigarette lighter,
   cinder, clan, clinker, coal, coke, colophon, color, complexion,
   composition, configuration, constituents, constitution, coom,
   corrosive, counterfoil, countermark, crack, crasis, cupel, cut,
   dab, dapple, darken, daub, defame, defile, define, delimit,
   demarcate, denomination, description, designation, dharma,
   diathesis, differentia, differential, dirty, disapprove, discolor,
   discoloration, discredit, disgrace, disparage, disparagement,
   disposition, distinctive feature, docket, dot, dross, earmark,
   electrocautery, ember, engrave, engraving, escharotic, ethos,
   expose, expose to infamy, eyesore, feather, feature, fiber, figure,
   firebrand, flambeau, flame, flavor, fleck, flick, flint,
   flint and steel, flyspeck, form, found, frame, freckle, fume, gash,
   genius, genre, genus, gibbet, government mark, government stamp,
   grain, graving, gust, habit, hack, hallmark, hang in effigy, hatch,
   hot iron, hue, humor, humors, identify, idiocrasy, idiosyncrasy,
   igniter, ilk, impress, impression, imprint, imputation, index,
   individualism, jot, keynote, kidney, kin, kind, label, lava,
   lentigo, letterhead, light, lighter, line, lineaments, live coal,
   logo, logotype, lot, lunar caustic, macula, maculation, macule,
   make, make a mark, maker, makeup, manner, mannerism, manufacturer,
   mark, mark of Cain, mark off, mark out, marking, masthead,
   mat burn, mold, mole, mordant, mottle, moxa, nature, nevus, nick,
   notch, number, odium, odor, onus, oxidate, oxidize, parch,
   particularity, patch, peculiarity, pencil, pepper, persuasion,
   phylum, physique, pillory, pillorying, plate, point,
   point champain, polka dot, portfire, potential cautery, price tag,
   prick, print, property, punch, punctuate, puncture, pyrolyze,
   quality, quirk, race, radium, reek, reflection,
   registered trademark, reprimand, reproach, riddle, running head,
   running title, savor, scald, scar, scarification, scarify, scorch,
   score, scoria, scotch, scratch, scratching, seal, seam, sear,
   second-degree burn, shape, sigil, signet, singe, singularity, slag,
   slubber, slur, smack, smear, smirch, smoke, smouch, smudge, smut,
   smutch, soil, solder, somatotype, soot, sort, sparker, spatter,
   specialty, species, speck, speckle, spill, spirit, splash,
   splatter, splotch, spot, stain, stamp, sticker, stigma, stigmatism,
   stigmatization, stigmatize, strain, strawberry mark, streak,
   striate, stripe, stub, style, suchness, sullage, sully, sunburn,
   sunscald, swinge, system, tab, tag, taint, tally, tang, taper,
   tarnish, taste, tattoo, tattoo mark, temper, temperament, tendency,
   tenor, the like of, the likes of, third-degree burn, tick,
   tick off, ticket, title page, tittle, token, tone, torch, torrefy,
   trace, trade name, trademark, trademark name, trait, tribe, trick,
   type, underline, underscore, variety, vein, vesicate, vilify,
   vulcanize, watermark, way, weld, windburn