D defs.my
Entry 1 sense Webster, 1913

Pilot wheel

· IPA
01 A wheel, usually with radial handles projecting from the rim, for traversing the saddle of a machine tool, esp. an automatic machine tool, …
  1. 1.
    A wheel, usually with radial handles projecting from the rim, for traversing the saddle of a machine tool, esp. an automatic machine tool, by hand.(Mach.)