The Collaborative International Dictionary of English v.0.48:

Chisel \Chis"el\, n. [OF. chisel, F. ciseau, fr. LL. cisellus,
   prob. for caesellus, fr. L. caesus, p. p. of caedere to cut.
   Cf. Scissors.]
   A tool with a cutting edge on one end of a metal blade, used
   in dressing, shaping, or working in timber, stone, metal,
   etc.; -- usually driven by a mallet or hammer.
   [1913 Webster]

   Cold chisel. See under Cold, a.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chisel \Chis"el\, v. t. [imp. & p. p. Chiseled, or Chiselled
   (?); p. pr. & vb. n. Chiseling, or Chiselling.] [Cf. F.
   ciseler.]
   1. To cut, pare, gouge, or engrave with a chisel; as, to
      chisel a block of marble into a statue.
      [1913 Webster]

   2. To cut close, as in a bargain; to cheat. [Slang]
      [1913 Webster] chiseler

WordNet (r) 3.0 (2006):

chisel
    n 1: an edge tool with a flat steel blade with a cutting edge
    v 1: engage in deceitful behavior; practice trickery or fraud;
         "Who's chiseling on the side?" [syn: cheat, chisel]
    2: deprive somebody of something by deceit; "The con-man beat me
       out of $50"; "This salesman ripped us off!"; "we were cheated
       by their clever-sounding scheme"; "They chiseled me out of my
       money" [syn: cheat, rip off, chisel]
    3: carve with a chisel; "chisel the marble"

The Free On-line Dictionary of Computing (19 January 2023):

CHISEL

    An extension of C for VLSI design, implemented
   as a C preprocessor.  It produces CIF as output.

   ["CHISEL - An Extension to the Programming language C for VLSI
   Layout", K. Karplus, PHD Thesis, Stanford U, 1982].

   (2006-09-19)