The Collaborative International Dictionary of English v.0.48:
Indent \In*dent"\, v. t. [imp. & p. p. Indented; p. pr. & vb.
   n. Indenting.] [OE. endenten to notch, fit in, OF.
   endenter, LL. indentare, fr. L. in + dens, dentis, tooth. See
   Tooth, and cf. Indenture.]
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   1. To notch; to jag; to cut into points like a row of teeth;
      as, to indent the edge of paper.
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   2. To dent; to stamp or to press in; to impress; as, indent a
      smooth surface with a hammer; to indent wax with a stamp.
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   3. [Cf. Indenture.] To bind out by indenture or contract;
      to indenture; to apprentice; as, to indent a young man to
      a shoemaker; to indent a servant.
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   4. (Print.) To begin (a line or lines) at a greater or less
      distance from the margin; as, to indent the first line of
      a paragraph one em; to indent the second paragraph two ems
      more than the first. See Indentation, and Indention.
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   5. (Mil.) To make an order upon; to draw upon, as for
      military stores. [India] --Wilhelm.
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The Collaborative International Dictionary of English v.0.48:
Indented \In*dent"ed\, a.
   1. Cut in the edge into points or inequalities, like teeth;
      jagged; notched; stamped in; dented on the surface.
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   2. Having an uneven, irregular border; sinuous; undulating.
      --Milton. Shak.
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   3. (Her.) Notched like the part of a saw consisting of the
      teeth; serrated; as, an indented border or ordinary.
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   4. Bound out by an indenture; apprenticed; indentured; as, an
      indented servant.
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   5. (Zool.) Notched along the margin with a different color,
      as the feathers of some birds.
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   Indented line (Fort.), a line with alternate long and short
      faces, with salient and receding angles, each face giving
      a flanking fire along the front of the next.
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Moby Thesaurus II by Grady Ward, 1.0:
37 Moby Thesaurus words for "indented":
   alveolar, alveolate, battlemented, chopped, crenate, crenated,
   crenellated, crenulate, dentate, dentated, dented, depressed,
   dimpled, embrasured, engraved, erose, faveolate, gashed,
   honeycombed, incised, jagged, jaggy, lacerate, lacerated, nicked,
   notched, pitted, pocked, pockmarked, saw-toothed, sawlike,
   scalloped, scored, serrate, serrated, serrulated, toothed