rotary engine
noun
an engine, as a turbine, in which the impelling fluid produces torque directly rather than by acting upon reciprocating parts.
a revolving radial engine.
Origin of rotary engine
First recorded in 1810–20
Words nearby rotary engine
rotary,
rotary beater,
rotary clothesline,
rotary club,
rotary dial,
rotary engine,
rotary harrow,
rotary hoe,
rotary joint,
rotary plough,
rotary plow
British Dictionary definitions for rotary engine
rotary engine
noun
an internal-combustion engine having radial cylinders that rotate about a fixed crankshaft
an engine, such as a turbine or wankel engine, in which power is transmitted directly to rotating components