WordReference Random House Unabridged Dictionary of American English © 2026
screw′ thread′,
- BuildingAlso called worm. the helical ridge of a screw.
- Buildinga full turn of the helical ridge of a screw.
- 1805–15
'screw thread' also found in these entries (note: many are not synonyms or translations):
bolt
- diestock
- helicoid
- lathe
- pitch
- screw
- tap
- thread
- chase
- flank
- left-handed
- right-handed
- turnbuckle
- U bolt
- worm
- screw auger