The Collaborative International Dictionary of English v.0.48:

Travel \Trav"el\, v. i. [imp. & p. p. Traveledor Travelled;
   p. pr. & vb. n. Traveling or Travelling.] [Properly, to
   labor, and the same word as travail.]
   1. To labor; to travail. [Obsoles.] --Hooker.
      [1913 Webster]

   2. To go or march on foot; to walk; as, to travel over the
      city, or through the streets.
      [1913 Webster]

   3. To pass by riding, or in any manner, to a distant place,
      or to many places; to journey; as, a man travels for his
      health; he is traveling in California.
      [1913 Webster]

   4. To pass; to go; to move.
      [1913 Webster]

            Time travels in divers paces with divers persons.
                                                  --Shak.
      [1913 Webster]

WordNet (r) 3.0 (2006):

travelling
    n 1: the act of going from one place to another; "he enjoyed
         selling but he hated the travel" [syn: travel,
         traveling, travelling]