downstroke

[ doun-strohk ]
/ ˈdaʊnˌstroʊk /

noun

a downward stroke, as of a machine part, piston, or the like.
a downward stroke in writing, often heavier and darker than an upward stroke.

Origin of downstroke

First recorded in 1850–55; down1 + stroke1

Example sentences from the Web for downstroke