Source : Webster's Revised Unabridged Dictionary (1913)

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.

Source : WordNet®

perambulating
     adj : strolling or walking around; "perambulating nursemaids with
           their charges"