free wheel

English

Noun

free wheel (countable and uncountable, plural free wheels)

  1. (often attributive) Alternative form of freewheel (device).
    • 1958 April, “Diesel Railbus for British Railways”, in Railway Magazine, page 275:
      Power is derived from a British United Traction Limited "A"-type 150-h.p. six-cylinder horizontal diesel engine; this drives through a fluid flywheel, and thence through a free wheel unit to a four-speed epicyclic gearbox.