What does ambulatory mean?
The definition of ambulatory
Am”bu*la*to*ry, a.
Etym: [L. ambulatorius.]

1 Of or pertaining to walking; having the faculty of walking; formed or fitted for walking; as, an ambulatory animal.
2 Accustomed to move from place to place; not stationary; movable; as, an ambulatory court, which exercises its jurisdiction in different places. The priesthood . . . before was very ambulatory, and dispersed into all families. Jer. Taylor.
3 Pertaining to a walk. [R.] The princess of whom his majesty had an ambulatory view in his travels. Sir H. Wotton.
4 (Law)
Not yet fixed legally, or settled past alteration; alterable; as, the dispositions of a will are ambulatory until the death of the testator.

Am”bu*la*to*ry, n.; pl. Ambulatories.
Etym: [Cf. LL. ambulatorium.] (Arch.)

A place to walk in, whether in the open air, as the gallery of a cloister, or within a building.