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.
- false negative
- falseness
- false oxlip
- false position
- false positive
- false pregnancy
- false pretences
- false rib
- false scorpion
- false start
- false step
- false sunbird
- false teeth
- false topaz
- falsetto
- false vampire
- false widow
- false widow spider
- falsework
- falsies
- falsifiability
- falsifiable
- falsification
- falsifier
- falsify