Source : Webster's Revised Unabridged Dictionary (1913)

Escort \Es*cort"\, v. t. [imp. & p. p. {Escorted}; p. pr. & vb.
   n. {Escorting}.] [Cf. F. escorter, It. scortare. See
   {Escort}, n.]
   To attend with a view to guard and protect; to accompany as
   safeguard; to give honorable or ceremonious attendance to; --
   used esp. with reference to journeys or excursions on land;
   as, to escort a public functionary, or a lady; to escort a
   baggage wagon.

   Syn: To accompany; attend. See {Accompany}.

Escort \Es"cort\, n. [F. escorte, It. scorta a guard or guide,
   fr. scorgere to perceive, discern, lead, fr. L. ex out, quite
   + corrigere to correct, set right. See {Correct}.]
   1. A body of armed men to attend a person of distinction for
      the sake of affording safety when on a journey; one who
      conducts some one as an attendant; a guard, as of
      prisoners on a march; also, a body of persons, attending
      as a mark of respect or honor; -- applied to movements on
      land, as convoy is to movements at sea.

            The troops of my escort marched at the ordinary
            rate.                                 --Burke.

   2. Protection, care, or safeguard on a journey or excursion;
      as, to travel under the escort of a friend.

Source : WordNet®

escort
     n 1: someone who escorts and protects a prominent person [syn: {bodyguard}]
     2: the act of accompanying someone or something in order to
        protect them [syn: {accompaniment}]
     3: an attendant who is employed to accompany someone
     4: a participant in a date; "his date never stopped talking"
        [syn: {date}]
     v 1: accompany as an escort; "She asked her older brother to
          escort her to the ball"
     2: accompany or escort; "I'll see you to the door" [syn: {see}]