Source : Webster's Revised Unabridged Dictionary (1913)

Vagrant \Va"grant\, a. [Probably fr. OF. waucrant, wacrant, p.
   p. of waucrer, wacrer, walcrer, to wander (probably of
   Teutonic origin), but influenced by F. vagant, p. pr. of
   vaguer to stray, L. vagari. Cf. {Vagary}.]
   1. Moving without certain direction; wandering; erratic;
      unsettled.

            That beauteous Emma vagrant courses took. --Prior.

            While leading this vagrant and miserable life,
            Johnson fell in live.                 --Macaulay.

   2. Wandering from place to place without any settled
      habitation; as, a vagrant beggar.

Vagrant \Va"grant\, n.
   One who strolls from place to place; one who has no settled
   habitation; an idle wanderer; a sturdy beggar; an
   incorrigible rogue; a vagabond.

         Vagrants and outlaws shall offend thy view. --Prior.

Source : WordNet®

vagrant
     adj : continually changing especially as from one abode or
           occupation to another; "a drifting double-dealer"; "the
           floating population"; "vagrant hippies of the sixties"
           [syn: {aimless}, {drifting}, {floating}, {vagabond}]
     n : a wanderer who has no established residence or visible means
         of support [syn: {drifter}, {floater}, {vagabond}]