1. To hit sharply, as with the hand, the fist, or a weapon; to inflict (a blow): "While they were struggling to catch the football, you could see one player accidentally strike another one in the face."
2. To cause to come into violent or forceful contact: "Elaine warned her friend to be careful or she might strike her knee against the desk if she were to make a sudden turn in her chair."
3. To produce a flame, light, or a spark from something by friction: "Nick had to strike a match so he could start the fire in the fireplace."

1. A period of time when workers stop working in order to force an employer to agree to their demands: "The airline had to delay its flights because the pilots were on strike for better working conditions."
2. In baseball, a ball thrown by a pitcher which passes through a certain area over the home plate without being hit and that counts against the batter: "The batter had a third strike which meant he was out and so a new batter would take his place."
3. In the game of bowling, the achievement of knocking down all ten pins with the first roll of the ball: "Kate surprised everyone, including herself, when she made a strike with her first attempt with the bowling ball."