[a. L. ambulātor a walker; f. ambulā-re to walk.]
1. One who walks about, a walker; hence applied to a tourists guide-book.
1652. Gaule, Magastrom., 237. Such a perigrinator, such an ambulator.
1774. (title) The Ambulator; or the Strangers Companion in a Tour Round London.
2. An instrument for measuring distances on the road, also called perambulator.
[Not in Craig, 1847.]
1859. in Ogilvie.