The Collaborative International Dictionary of English v.0.48:

Luggage \Lug"gage\, n. [From 4th Lug.]
   That which is lugged; anything cumbrous and heavy to be
   carried; especially, a traveler's trunks, baggage, etc., or
   their contents.
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         I am gathering up my luggage, and preparing for my
         journey.                                 --Swift.
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         What do you mean,
         To dote thus on such luggage!            --Shak.

   Syn: Plunder; baggage.
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   Luggage van, a vehicle for carrying luggage; a railway car,
      or compartment of a car, for carrying luggage. [Eng.]

   Luggage compartment, the compartment in a train, bus or
      other vehicle designed for storage of luggage during a
      journey. Separate from the passenger compartment.
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The Collaborative International Dictionary of English v.0.48:

baggage \bag"gage\ (b[a^]g"g[asl]j), n. [F. bagage, from OF.
   bague bundle. In senses 6 and 7 cf. F. bagasse a prostitute.
   See Bag, n.]
   1. The clothes, tents, utensils, and provisions of an army.
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   Note: "The term itself is made to apply chiefly to articles
         of clothing and to small personal effects." --Farrow.
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   2. The trunks, valises, satchels, etc., which a traveler
      carries with him on a journey; luggage.
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            The baronet's baggage on the roof of the coach.
                                                  --Thackeray.
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            We saw our baggage following below.   --Johnson.
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   Note: The English usually call this luggage.
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   3. Purulent matter. [Obs.] --Barrough.
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   4. Trashy talk. [Obs.] --Ascham.
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   5. A man of bad character. [Obs.] --Holland.
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   6. A woman of loose morals; a prostitute.
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            A disreputable, daring, laughing, painted French
            baggage.                              --Thackeray.
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   7. A romping, saucy girl. [Playful] --Goldsmith.
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WordNet (r) 3.0 (2006):

luggage
    n 1: cases used to carry belongings when traveling [syn:
         baggage, luggage]