Source : Webster's Revised Unabridged Dictionary (1913)

Indenture \In*den"ture\, v. t. [imp. & p. p. {Indentured}; p.
   pr. & vb. n. {Indenturing}.]
   1. To indent; to make hollows, notches, or wrinkles in; to
      furrow.

            Though age may creep on, and indenture the brow.
                                                  --Woty.

   2. To bind by indentures or written contract; as, to
      indenture an apprentice.

Source : WordNet®

indentured
     adj : bound by contract [syn: {apprenticed}, {articled}, {bound}]