D defs.my
Entry 3 senses Webster, 1913

Ambulator

/ăm'-byəl-ātˌ-ẽr/ · Am·bu·la·tor · IPA /ˈæmbjəlˌeɪtər/
01 n. One who walks about; a walker.
  1. 1.
    One who walks about; a walker.
  2. 2.
    A beetle of the genus Lamia.(Zool.)
  3. 3.
    An instrument for measuring distances; -- called also perambulator. Also: perambulator