noun
- plural of keyway: slots or grooves cut into a shaft and hub to prevent relative rotation, typically used with a key
Usage: engineering; mechanical
Examples
- The engineer machined keyways into both the shaft and the gear hub.
- Proper alignment of the keyways is critical for smooth operation.
- The motor shaft had multiple keyways to accommodate different attachments.
- Worn keyways can cause slippage between rotating parts.
- The technician inspected all keyways for signs of damage.
- Standard keyway dimensions are specified in engineering handbooks.