| Term | Definition |
| 9 | How many players are on each team? (number) |
| infielders | these defensive positions are known as what: first baseman, second baseman, third baseman, and shortstop |
| outfielders | these defensive positions are known as what: left field, right field, and center field |
| battery | pitcher and the catcher are called the _________ |
| 7 | how many innings? (number) |
| strikes | what are these: pitch between the batter's armpit and top of the knees; batter swings and misses the ball; hits a foul ball that is not caught or foul tipped |
| balls | what are these: legally pitched ball that does not go over home plate; NOT between the batter's armpits and top of knees; allowed to walk to 1st base |
| fair ball | batted ball which settles or is touched in fair territory between home and first base or home and third base |
| foul ball | batted ball which settles in foul territory outside the foul line |
| batter is out | what happens: bats out of turn; hits a fair/foul ball caught; 3 strikes; foul tip caught on 3rd plan; offensive player interferes with a fielders attempting to filed a ball |
| entitled to a base | umpire calls four balls; fair hit ball hits an umpire; fielder interferes with base runner |
| base runner is out | runs 3 or more feet from the baseline; touch by ball; fair/foul ball is caught and is tagged; fails to touch base; precedes a base runner; forced base |
| run | the score made by a runner who legally advances to and touches home plate |
| base hit | a batted ball in which the batter advances to first base without being put-out and when no errors are made by the defense |
| extra base hit | one which enables the batter to advance to one or more succeeding bases |
| inning | that portion of the game which includes a term at bat for each team |
| half inning | the interval during which one team is on offense (batting) and the other is on defense (fielding); ends with a thrid out |
| extra inning | one which extends the game in an attempt to break a tie |
| error | a misplay by a fielder of a team |
| fly ball | a batted ball which rises an appreciable height above the ground |
| line drive | a batted ball which travels parallel or nearly so with the ground through most of its flight |
| force play | a play in which a runner loses the right to the base occupied and is forced to advance |
| double and triple play | continuous activities which result in two or three put outs during one play |
| out | one of the three required retirements of players of the team at bat each half inning |
| tag out | putting out of a runner who is not touching a base (with a ball) |
| throw out | a put out caused by a throw when a runner is forced to any base |
| strike out | result of the pitcher getting a thrid strike charged to a batter (does not have to be caught by the catcher) |