The Collaborative International Dictionary of English v.0.48:

Bastard \Bas"tard\, a.
   1. Begotten and born out of lawful matrimony; illegitimate.
      See Bastard, n., note.
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   2. Lacking in genuineness; spurious; false; adulterate; --
      applied to things which resemble those which are genuine,
      but are really not so.
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            That bastard self-love which is so vicious in
            itself, and productive of so many vices. --Barrow.
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   3. Of an unusual or irregular make or proportion; as, a
      bastard musket; a bastard culverin. [Obs.]
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   4. (Print.) Abbreviated, as the half title in a page
      preceding the full title page of a book.
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   Bastard ashlar (Arch.), stones for ashlar work, roughly
      squared at the quarry.

   Bastard file, a file intermediate between the coarsest and
      the second cut.

   Bastard type (Print.), type having the face of a larger or
      a smaller size than the body; e. g., a nonpareil face on a
      brevier body.

   Bastard wing (Zool.), three to five quill feathers on a
      small joint corresponding to the thumb in some mammalia;
      the alula.
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The Collaborative International Dictionary of English v.0.48:

File \File\ (f[imac]l), n. [AS. fe['o]l; akin to D. viji, OHG.
   f[imac]la, f[imac]hala, G. feile, Sw. fil, Dan. fiil, cf.
   Icel. [thorn][=e]l, Russ. pila, and Skr. pi[,c] to cut out,
   adorn; perh. akin to E. paint.]
   1. A steel instrument, having cutting ridges or teeth, made
      by indentation with a chisel, used for abrading or
      smoothing other substances, as metals, wood, etc.
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   Note: A file differs from a rasp in having the furrows made
         by straight cuts of a chisel, either single or crossed,
         while the rasp has coarse, single teeth, raised by the
         pyramidal end of a triangular punch.
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   2. Anything employed to smooth, polish, or rasp, literally or
      figuratively.
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            Mock the nice touches of the critic's file.
                                                  --Akenside.
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   3. A shrewd or artful person. [Slang] --Fielding.
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            Will is an old file in spite of his smooth face.
                                                  --Thackeray.
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   Bastard file, Cross file, etc. See under Bastard,
      Cross, etc.

   Cross-cut file, a file having two sets of teeth crossing
      obliquely.

   File blank, a steel blank shaped and ground ready for
      cutting to form a file.

   File cutter, a maker of files.

   Second-cut file, a file having teeth of a grade next finer
      than bastard.

   Single-cut file, a file having only one set of parallel
      teeth; a float.

   Smooth file, a file having teeth so fine as to make an
      almost smooth surface.
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