Definitions of 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

  Example: "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

  Example: "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

  Example: "He stroked his long beard"