barrel engine
noun
an engine having cylinders arranged around and parallel to a shaft, which they rotate by means of the contact of their piston rods with a swash plate or cam on the shaft.
Nearby words
barrel cactus, barrel chair, barrel chest, barrel cuff, barrel distortion, barrel engine, barrel knot, barrel organ, barrel race, barrel roll, barrel roof
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019