The Collaborative International Dictionary of English v.0.48:

Surrender \Sur*ren"der\, v. i.
   To give up one's self into the power of another; to yield;
   as, the enemy, seeing no way of escape, surrendered at the
   first summons.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Surrender \Sur*ren"der\, n.
   1. The act of surrendering; the act of yielding, or resigning
      one's person, or the possession of something, into the
      power of another; as, the surrender of a castle to an
      enemy; the surrender of a right.
      [1913 Webster]

            That he may secure some liberty he makes a surrender
            in trust of the whole of it.          --Burke.
      [1913 Webster]

   2. (Law)
      (a) The yielding of a particular estate to him who has an
          immediate estate in remainder or reversion.
      (b) The giving up of a principal into lawful custody by
          his bail.
      (c) The delivery up of fugitives from justice by one
          government to another, as by a foreign state. See
          Extradition. --Wharton.
          [1913 Webster]

   3. (Insurance) The voluntary cancellation of the legal
      liability of the company by the insured and beneficiary
      for a consideration (called the

   surrender value).
      [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Surrender \Sur*ren"der\, v. t. [imp. & p. p. Surrendered; p.
   pr. & vb. n. Surrendering.] [OF. surrendre to deliver; sur
   over + rendre to render. See Sur-, and Render.]
   1. To yield to the power of another; to give or deliver up
      possession of (anything) upon compulsion or demand; as, to
      surrender one's person to an enemy or to an officer; to
      surrender a fort or a ship.
      [1913 Webster]

   2. To give up possession of; to yield; to resign; as, to
      surrender a right, privilege, or advantage.
      [1913 Webster]

            To surrender up that right which otherwise their
            founders might have in them.          --Hooker.
      [1913 Webster]

   3. To yield to any influence, emotion, passion, or power; --
      used reflexively; as, to surrender one's self to grief, to
      despair, to indolence, or to sleep.
      [1913 Webster]

   4. (Law) To yield; to render or deliver up; to give up; as, a
      principal surrendered by his bail, a fugitive from justice
      by a foreign state, or a particular estate by the tenant
      thereof to him in remainder or reversion.
      [1913 Webster]

WordNet (r) 3.0 (2006):

surrender
    n 1: acceptance of despair [syn: resignation, surrender]
    2: a verbal act of admitting defeat [syn: giving up,
       yielding, surrender]
    3: the delivery of a principal into lawful custody
    4: the act of surrendering (usually under agreed conditions);
       "they were protected until the capitulation of the fort"
       [syn: capitulation, fall, surrender]
    v 1: give up or agree to forgo to the power or possession of
         another; "The last Taleban fighters finally surrendered"
         [syn: surrender, give up] [ant: hold out, resist,
         stand firm, withstand]
    2: relinquish possession or control over; "The squatters had to
       surrender the building after the police moved in" [syn:
       surrender, cede, deliver, give up]