Meaning of “stroke” - Learner’s Dictionary

stroke

noun [ C ] uk us /strəʊk/
ILLNESS

B2 a sudden problem in your brain that changes the flow of blood and makes you unable to move part of your body:

to have/suffer a stroke
MOVEMENT

a movement that you make against something with your hand, a pen, brush, etc:

a brush stroke
SWIMMING

a style of swimming

SPORT

the action of moving your arm and hitting the ball in sports such as tennis, golf, etc

(Definition of “stroke noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)