The Collaborative International Dictionary of English v.0.48:

Indenture \In*den"ture\, v. t. [imp. & p. p. Indentured; p.
   pr. & vb. n. Indenturing.]
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   1. To indent; to make hollows, notches, or wrinkles in; to
      furrow.
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            Though age may creep on, and indenture the brow.
                                                  --Woty.
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   2. To bind by indentures or written contract; as, to
      indenture an apprentice.
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