rundle
/ˈrʌndəl/
noun
- A single step or rung of a ladder.
- She painted each rundle a different color for safety.
- He climbed carefully, placing his foot on each wooden rundle.
- The old ladder had a cracked rundle near the top.
- A rotating drum or cylinder, such as in a mill or machine.
- The machine's rundle was made of cast iron.
- The mill's rundle turned slowly, grinding the grain.
- He replaced the worn rundle in the conveyor system.