worm gear


Definition of worm gear

  1. 1 :  worm wheel

  2. 2 :  a gear of a worm and a worm wheel working together

Illustration of worm gear


First Known Use of worm gear


Learn More about worm gear

Seen and Heard

What made you want to look up worm gear? Please tell us where you read or heard it (including the quote, if possible).