The Collaborative International Dictionary
Swash plate
Swash \Swash\, n. [Cf. Swash, v. i., Squash, v. t.] (Arch.)
An oval figure, whose moldings are oblique to the axis of the
work.
--Moxon.
Swash plate (Mach.), 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.