Definition: A free kick that puts the ball into play at the start of the first and third periods and after every touchdown and field goal.
Examples:
A football game always starts with a kickoff.
About Football Glossary - Kickoff
From James Alder, former About.com Guide
Suggested Reading
Explore Football
Also from About.com:
©2012 About.com. All rights reserved.
A part of The New York Times Company.