Origin of impeller
Examples from the Web for impeller
She pressed the impeller—just as his left foot kicked in a high arc and caught the side of the barrel.
For instance, Zwingli asserted that God was the "author, mover, and impeller to sin."Determinism or Free-Will?|Chapman Cohen
As he did, he saw Astrid's knuckles tighten around the impeller.
1680s, agent noun from impel (v.). As a machine part from 1890.