Definition of rough lock
1 : a chain or rope fastened around the runner of a sled to retard its movement downhill
2 : a chain tied around the rim of a rear wheel of a wagon and fastened to the wagon reach so that the skidding wheel will retard the movement of the wagon downhill
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up rough lock? Please tell us where you read or heard it (including the quote, if possible).