tennis

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A game played with rackets and a light ball by two players or two pairs of players on a rectangular court divided by a net. The players must hit the ball over the net and into a marked area on the other side for play to continue.
• noun Court tennis.

from The Century Dictionary.

• noun A very old and elaborate ball-game played by two, three, or four persons in a building specially constructed for the purpose.
• noun Same as lawn-tennis.
• To drive, as a ball in playing tennis.

from the GNU version of the Collaborative International Dictionary of English.

• noun A play in which a ball is driven to and fro, or kept in motion by striking it with a racket or with the open hand.
• noun the old game of tennis as played within walled courts of peculiar construction; -- distinguished from lawn tennis.
• noun See under Lawn, n.
• noun a place or court for playing the game of tennis.
• transitive verb rare To drive backward and forward, as a ball in playing tennis.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun sports A sport played by either two or four players with strung racquets, a 2½" (6.4 cm) ball, and a net approximately 3 feet high on a clay, grass, or cement court.
• noun dated A match in this sport.
• verb intransitive, dated To play tennis.
• verb transitive To drive backward and forward like a tennis ball.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a game played with rackets by two or four players who hit a ball back and forth over a net that divides the court