What they say it is:
tennis\ˈte-nəs\ noun: an indoor or outdoor game that is played with rackets and a light elastic ball by two players or pairs of players on a level court (as of clay or grass) divided by a low net
What we KNOW it is:
tennis\ˈte-nəs\ noun: an outlet to release aggression physically without being arrested for felonious assault. It is a perfect combination of violent action taking place in an atmosphere of total tranquility. A game where love means nothing...