<p><strong>Noun</strong></p><ul><li>Football: a place kick or a drop kick from the 40-yard line of the team kicking at the beginning of the first and third periods or after the team kicking has scored a touchdown or field goal.</li><li>Soccer: a kick that puts a stationary ball into play from the center line of the field at the start of a quarter or after a goal has been scored.</li><li>the initial stage of something; start; beginning: the campaign kickoff.</li></ul>