Source : Webster's Revised Unabridged Dictionary (1913)

Manacle \Man"a*cle\, n. [OE. manicle, OF. manicle, F. manicle
   sort glove, manacle, L. manicula a little hand, dim. of manus
   hand; cf. L. manica sleeve, manacle, fr. manus. See
   {Manual}.]
   A handcuff; a shackle for the hand or wrist; -- usually in
   the plural.

         Doctrine unto fools is as fetters on the feet, and like
         manacles on the right hand.              --Ecclus. xxi.
                                                  19.

Manacle \Man"a*cle\, v. t. [imp. & p. p. {Manacled}; p. pr. &
   vb. n. {Manacling}.]
   To put handcuffs or other fastening upon, for confining the
   hands; to shackle; to confine; to restrain from the use of
   the limbs or natural powers.

         Is it thus you use this monarch, to manacle and shackle
         him hand and foot ?                      --Arbuthnot.

Source : WordNet®

manacle
     n : shackle that consists of a metal loop that can be locked
         around the wrist; usually used in pairs [syn: {handcuffs},
          {handcuff}, {cuffs}, {cuff}, {handlock}]
     v : confine or restrain with or as if with manacles or
         handcuffs; "The police handcuffed the suspect at the
         scene of the crime" [syn: {cuff}, {handcuff}]