The Collaborative International Dictionary of English v.0.48:

Perambulate \Per*am"bu*late\, v. t. [imp. & p. p.
   Perambulated; p. pr. & vb. n. Perambulating.] [L.
   perambulatus, p. p. of perambulare to perambulate; per
   through + ambulare to walk. See Per-, and Amble.]
   To walk through or over; especially, to travel over for the
   purpose of surveying or examining; to inspect by traversing;
   specifically, to inspect officially the boundaries of, as of
   a town or parish, by walking over the whole line.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Perambulate \Per*am"bu*late\, v. i.
   To walk about; to ramble; to stroll; as, he perambulated in
   the park.
   [1913 Webster]

WordNet (r) 3.0 (2006):

perambulate
    v 1: make an official inspection on foot of (the bounds of a
         property); "Selectmen are required by law to perambulate
         the bounds every five years"
    2: walk with no particular goal; "we were walking around in the
       garden"; "after breakfast, she walked about in the park"
       [syn: perambulate, walk about, walk around]