radial engine

noun

, Aeronautics.

1. an internal-combustion engine having the cylinders arranged in radial opposition, found mainly on older aircraft.

radial engine

noun

1. an internal-combustion engine having a number of cylinders arranged about a central crankcase

Word History and Origins

Origin of radial engine¹

First recorded in 1905–10

Example Sentences

This construction is a modification of that used on the Anzani six-cylinder radial engine.

From Project Gutenberg

You two probably know what a radial engine is, but Hal here doesnt.

From Project Gutenberg