treadwheel
nounEtymology From tread + wheel.
1
A large wheel turned by treading, climbing, or pushing with the feet upon its periphery, as for example in a treadmill.
- It is so deep no man can draw the buckets on a winch, but they must have an ass inside a treadwheel to hoist them up.[1898], J[ohn] Meade Falkner, “A Funeral”, in Moonfleet (Arnold’s English Literature Series), London: Edward Arnold & Co., →OCLC, page 148:
- Synonyms
- walking wheel