a mechanism arranged so as to impart rectilinear motion to a rod connected to a lever that moves through an arc.
Words nearby parallel motion
Origin of parallel motion
First recorded in 1820–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for parallel motion
I contrived a sectional model of a complete condensing steam-engine of the beam and parallel-motion construction.Stories of Invention|Edward E. Hale
This form was objectionable, as the whole effort of the engine was transmitted through the parallel-motion rods.A History of the Growth of the Steam-Engine|Robert H. Thurston