ambulatory

Short definition from Wiktionary

Adjective

1. 1
   Of, relating to, or adapted to walking.
2. 2
   Able to walk about and not bedridden.
3. 3
   Performed on or involving an outpatient.
4. 4
   Relating to ambulances.
5. 5
   Accustomed to move from place to place; not stationary; movable.
6. 6
   Not yet legally fixed or settled; alterable.

Noun

1. 1
   The round walkway encircling the altar in many cathedrals.
2. 2
   Any part of a building intended for walking in; a corridor.