noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   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.
2. 2
   A device that translates input from a helicopter's controls into motion of the main rotor blades.

Etymology

From swash + plate.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.