Is “Tennis” a Scrabble word?

1.A sport played by two players (or four in doubles), who alternately strike the ball over a net using racquets.

2.A match in this sport.

3.An earlier game in which a ball is driven to and fro, or kept in motion by striking it with a racquet or with the open hand.

1.To play tennis.

2.To drive backward and forward like a tennis ball.