The Collaborative International Dictionary of English v.0.48:

Gross \Gross\, a. [Compar. Grosser; superl. Grossest.] [F.
   gros, L. grossus, perh. fr. L. crassus thick, dense, fat, E.
   crass, cf. Skr. grathita tied together, wound up, hardened.
   Cf. Engross, Grocer, Grogram.]
   1. Great; large; bulky; fat; of huge size; excessively large.
      "A gross fat man." --Shak.
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            A gross body of horse under the Duke. --Milton.
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   2. Coarse; rough; not fine or delicate.
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   3. Not easily aroused or excited; not sensitive in perception
      or feeling; dull; witless.
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            Tell her of things that no gross ear can hear.
                                                  --Milton.
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   4. Expressing, or originating in, animal or sensual
      appetites; hence, coarse, vulgar, low, obscene, or impure.
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            The terms which are delicate in one age become gross
            in the next.                          --Macaulay.
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   5. Hence: Disgusting; repulsive; highly offensive; as, a
      gross remark.
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   6. Thick; dense; not attenuated; as, a gross medium.
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   7. Great; palpable; serious; vagrant; shameful; as, a gross
      mistake; gross injustice; gross negligence.
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   8. Whole; entire; total; without deduction; as, the gross
      sum, or gross amount, the gross weight; -- opposed to
      net.
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   Gross adventure (Law) the loan of money upon bottomry, i.
      e., on a mortgage of a ship.

   Gross average (Law), that kind of average which falls upon
      the gross or entire amount of ship, cargo, and freight; --
      commonly called general average. --Bouvier. --Burrill.

   Gross receipts, the total of the receipts, before they are
      diminished by any deduction, as for expenses; --
      distinguished from net profits. --Abbott.

   Gross weight the total weight of merchandise or goods,
      without deduction for tare, tret, or waste; --
      distinguished from neat weight, or net weight.
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Bouvier's Law Dictionary, Revised 6th Ed (1856):

GROSS WEIGHT. The total weight of goods or merchandise, with the chests,
bags, and the like, from which. are to be deducted tare and tret.