Worm wheel Meaning, Definition & Usage

  1. noun gear with the thread of a worm

WordNet


Definitions
  1. a cogwheel having teeth formed to fit into the spiral spaces of a screw called a worm, so that the wheel may be turned by, or may turn, the worm; called also worm gear, and sometimes tangent wheel. See Illust. of Worm gearing, above.

Webster 1913