WordReference Random House Unabridged Dictionary of American English © 2025
ra′dial en′gine, [Aeron.]
  1. Aeronauticsan internal-combustion engine having the cylinders arranged in radial opposition, found mainly on older aircraft.
  • 1905–10

Collins Concise English Dictionary © HarperCollins Publishers::
radial engine
  1. an internal-combustion engine having a number of cylinders arranged about a central crankcase
'radial engine' also found in these entries (note: many are not synonyms or translations):
radial - revolving - rotary engine

Forum discussions with the word(s) "radial engine" in the title:


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