Aboard: a runner on base and being safe.

Ace: best starting pitcher of a team.

Ball: A pitch outside the strike zone and is not touched by the batter.

Base: a diamond form in the home plate and the 3 other bases that must be touched by an offensive player in order to score a run.

Base hit: an offensive hit that permits a batter to reach a base.

Bases loaded: offensive players on all bases.

Batter: the player of the hitting team who is currently positioned in the batter’s box.

Batter’s box: recatangular area next to home plate where the offensive player stands during his time at bat.

Big leagues: also known as Major League Baseball

Bottom: the second or last half of an inning.

Breaking ball: a sudden pitch that moves  in, down, up or away from the hitter as it reaches him.

Bunt: a batted ball with the bat and tapped within the infield in an attempt to move batters from bases.

Called game: a game ended via umpire decision (rain or an unexpected event).

Catcher: the defensive player whose position is directly behind home plate and in front of the umpire.

Check swing: a players attempt to start a swing and then stop it before it can be called a swinging strike.

Clean (clear) up bases: the fourth batter in the lineup. Named this because their job is to ‘clean up’ the bases and drive in all runners on base.

Closer: a pitcher used to finish a game on the last inning (s).

Curveball: when a breaking ball pitch that sharply drops at the plate.

Designated hitter: a player designated to bat for a pitcher.

Dinger: also known as a home run

Double: a hit in which the offensive player makes it safely to second base without stopping.

Double header: two games played in two consecutive days.

Double play: a defensive play in which two players are put out as a result of one continuous action.

Double steal: when two playerss attempt to steal bases at the same time.

Dugout: the seating area for players not currently on the field.

Error: a defensive mistake officially charged against the team who made the mistake.

Extra innings: when a game is tied after the completion of all innings, then extra innings is the innings it takes to break the tie and determine the winner.

Fair ball: a player bats ball that settles on defensive territory.

Fielder: one of the nine defensive players: pitcher, catcher, first baseman, second baseman, third baseman, shortstop, left fielder, center fielder and right fielder.

Fielder’s choice: when a fielder instead of throwing to first base to put out the batter runner, decides to throw to another base to put out a preceding runner.

Fly ball: a ball that goes high in the air when hitted.

Force play: when an offensive runner loses his right to occupy a base when the current batter becomes a runner.

Forfeited game: a game is declared to an end by the umpire for violation of the rules, and awarded to the offended team.

Foul ball: a ball hitted outside of fair territory.

Foul territory: part of the playing field that is outside the first and third base lines extended up to the outfield fence.

Grand slam: a home run with bases loaded.

Ground ball: a hit which rolls along the ground.

Ground rule double: when a ball is hot and bounces off the field by going over the wall in defensive territory. The player is awarded to advances to second base.

Home plate: the base over which an offensive player bats and is in front of the catcher.

Home run: when a player is able to run over all the bases and score a point.

Home team: the team that is hosting the game.

Infield: ts is a diamond shaped portion of the field bordered by the four bases.

Infielder: a player called fielder who occupies a position in the infield of the field

Infield fly rule: a baseball rule that prevents the fielding side from in purpose  to drop a catch when there are runners on base.

Inning: consists of three outs for each team.

Inside: when a pitcher throws the ball on the same side of the plate as the hitter.

Inside the park homerun: a batter hits and reaches homeplate without the ball going over the outfield wall.

Intentional walk: throwing only balls at a batter with the intention to walk him to first base.

Line drive: a ball which is hitted directly to a fielder without touching ever the ground.

Line up: the order in which batters will hit.

Manager: the coach in charge of taking the mayority of calls for the team in the game and daily duties.\

No hitter: when a game had no hits by one if the teams.

Offense: the team who is currently hitting the ball.

Out: to declareby the umpire that a player who is intending for a base is not entitled to it.

Outfield: the portion of the field that extends beyond the infield diamond and is bordered by the first and third baselines.

Outfielder: a defensive player (fielder) who occupies a position in the outfield.

Pinch hitter: a player who substitutes for another hitter during a game.

Pinch Runner: a player who substitutes for another during the game.

Pitch: the ball thrown by the pitcher to the hitter.

Pitcher: the defensive player designated to pitch the ball to the hitter.

Pop Up: a fly ball that usually stays in the infield.

Rain Delay: when the game is delayed because of heave rain causing the game to be temporarily postponed.

Rain Out: when the game is called out (canceled) when rain does not stop.

Reliever: a pitcher that enters starting pitcher is relieved.

Run: the score made by an offensive player who has passed all four bases.

Runner: the offensive player who is advancing toward a base or on a base.

Safe: when a runner reaches a base without being touched by a defensive player with the ball.

Single: a play in which the offensive player safely makes it to first base.

Steal: occurs when an offensive player (runner) attempts to move from one base to the other without the hitter hitting the baseball.

Strike: when an umpire decides to call a trike because the player failed to hit the ball inside the home plate.

Strike Out: when the pitcher sends three strikes to a batter.

Strike zone: the designated area on the side of the home plate so the batter can hit a ball.

Tag: when an out is executed via an offensive player catching the runner and placing their hand or glove with ball on the player running.

Top: the first half or half inning when an away team has to hit.

Triple: a play that an offensive player makes it safely to third base without stopping.

Triple play: a play by the defense in which three offensive players are sent out as a result of one action.

Umpire: the official who is charge of calling ilegal and legal plays or basically an enforcer of rules of the game.

Walk: when a batter is sent to first base because the pitcher intented to allow him to go to first base or did not strike him out.

Wild Pitch: this happens when a pitcher throws a pitch that the catcher cannot handle.