The round walkway encircling the altar in many cathedrals.

Any part of a building intended for walking in; a corridor.

Of, relating to, or adapted to walking

"ambulatory exercise"

Able to walk about and not bedridden.

"an ambulatory patient"

Performed on or involving an ambulatory patient or an outpatient.

"ambulatory medical care"

Accustomed to move from place to place; not stationary; movable.

"an ambulatory court, which exercises its jurisdiction in different places"

Not yet legally fixed or settled; alterable.

"The dispositions of a will are ambulatory until the death of the testator."