Quick definitions from WordNet (stroke)

▸ noun:  a light touch with the hands
▸ noun:  a single complete movement
▸ noun:  (sports) the act of swinging or striking at a ball with a club or racket or bat or cue or hand ("It took two strokes to get out of the bunker")
▸ noun:  any one of the repeated movements of the limbs and body used for locomotion in swimming or rowing
▸ noun:  a mark made by a writing implement (as in cursive writing)
▸ noun:  a light touch
▸ noun:  the oarsman nearest the stern of the shell who sets the pace for the rest of the crew
▸ noun:  a sudden loss of consciousness resulting when the rupture or occlusion of a blood vessel leads to oxygen lack in the brain
▸ noun:  the maximum movement available to a pivoted or reciprocating piece by a cam
▸ noun:  a punctuation mark (/) used to separate related items of information
▸ verb:  treat gingerly or carefully ("You have to stroke the boss")
▸ verb:  strike a ball with a smooth blow
▸ verb:  row at a particular rate
▸ verb:  touch lightly and with affection, with brushing motions ("He stroked his long beard")

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▸ Also see stroke