Caption \Cap"tion\, n. [L. captio, fr. caper to take. In senses
   3 and 4, perhaps confounded in meaning with L. caput a head.
   See {Capacious}.]
   1. A caviling; a sophism. [Obs.]
      
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            This doctrine is for caption and contradiction.
                                                  --Bacon.
      
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   2. The act of taking or arresting a person by judicial
      process. [R.] --Bouvier.
      
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   3. (Law) That part of a legal instrument, as a commission,
      indictment, etc., which shows where, when, and by what
      authority, it was taken, found, or executed. --Bouvier.
      --Wharton.
      
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   4. The heading of a chapter, section, or page. [U. S.]
      
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