wormwheel 
noun
The wheel of a worm gear.For example, the wormwheel may be formed from sintered iron whilst the worm is made of carbon steel....
- The 120-tooth wormwheel drives the first gear of the bevel gear cluster via the shaft to which both are affixed.
- The Wire drive unit is of proven design utilising intermeshed steel wormshaft and bronze wormwheels.
- polar cap
- polarchy
- polar circle
- polar coordinates
- polar curve
- polar diagram
- polar dial
- polar diameter
- polar distance
- polar equation
- polar flattening
- steak
- steak au poivre
- steak Diane
- steak fry
- steakhouse
- steak knife
- steak tartare
- steal
- stealable
- steal a march on
- stealer
- steal (or hog) the limelight
- steal someone blind
- steal someone's heart