What does "keystroke" mean?

The act of pressing an input key; a keypress on a computer keyboard or a typewriter, or a similar input device.

Keystroke

Common synonyms include: character output, input event, key press, key stroke, keyboard action, keypress.

noun, verb

noun, verb ·2 syllables ·Rare ·Advanced level

Noun

1
The act of pressing an input key; a keypress on a computer keyboard or a typewriter, or a similar input device.
2
the stroke of a key; one depression of a key on a keyboard wordnet

Verb

1
To enter (data etc.) by pressing keys on a keyboard.
"I keystroked the entire manual, in addition to the keystroking done by the Technical Support and Test groups."

"I keystroked the entire manual, in addition to the keystroking done by the Technical Support and Test groups."

From key + stroke.