The Collaborative International Dictionary of English v.0.48:

Net \Net\, a. [F. See Neat clean.]
   1. Without spot; pure; shining. [Obs.]
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            Her breast all naked as net ivory.    --Spenser.
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   2. Free from extraneous substances; pure; unadulterated;
      neat; as, net wine, etc. [R.]
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   3. Not including superfluous, incidental, or foreign matter,
      as boxes, coverings, wraps, etc.; free from charges,
      deductions, etc; as, net profit; net income; net weight,
      etc. [Less properly written nett.]
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   Net tonnage (Naut.), the tonnage of a vessel after a
      deduction from the gross tonnage has been made, to allow
      space for crew, machinery, etc.
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