swashplate

Etymology

From swash + plate.

swashplate means A revolving circular plate, set obliquely on its shaft, and acting as a cam to give a reciprocating motion to a rod in a direction parallel to the shaft. Lexicurio rates it Sui generis — a strength score of 93 out of 100.

noun

A revolving circular plate, set obliquely on its shaft, and acting as a cam to give a reciprocating motion to a rod in a direction parallel to the shaft.
A device that translates input from a helicopter's controls into motion of the main rotor blades.