Ball games (or ballgames), also ball sports, are any form of game or sport which feature a ball as part of play. These include games such as football, cricket, baseball, basketball, and American football. Such games have diverse rules and histories and are of mostly unrelated origins. Ball games can be defined in several broad types, and generally try to measure how well a player can hit a ball:
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A ball is a round object with various uses. It is used in ball games, where the play of the game follows the state of the ball as it is hit, kicked or thrown by players. Balls can also be used for simpler activities, such as catch or juggling. Balls made from hard-wearing materials are used in engineering applications to provide very low friction bearings, known as ball bearings. Black-powder weapons use stone and metal balls as projectiles.
Handball is a team sport in which two teams of seven players each pass a ball using their hands with the aim of throwing it into the goal of the other team. A standard match consists of two periods of 30 minutes, and the team that scores more goals wins.
Racquetball is a racquet sport played with a hollow rubber ball on an indoor or outdoor court. Joseph Sobek is credited with inventing the modern sport of racquetball in 1950, adding a stringed racquet to paddleball in order to increase velocity and control. Unlike most racquet sports, such as tennis and badminton, there is no net to hit the ball over, and, unlike squash, no tin to hit the ball above. Also, the court's walls, floor, and ceiling are legal playing surfaces, with the exception of court-specific designated hinders being out-of-bounds.
In many team sports, defense or defence is the action of preventing an opponent from scoring. The term may also refer to the tactics involved in defense, or a sub-team whose primary responsibility is defense. Similarly, a defense player or defender is a player who is generally charged with preventing the other team's forwards from being able to bear down directly on their own team's goalkeeper or goaltender. Such positions exist in association football, ice hockey, water polo and many other sports.
In sport, a goal may refer to either an instance of scoring, or to the physical structure or area where an attacking team must send the ball or puck in order to score points. The structure of a goal varies from sport to sport, and one is placed at or near each end of the playing field for each team to defend. For many sports, each goal structure usually consists of two vertical posts, called goal posts, supporting a horizontal crossbar. A goal line marked on the playing surface between the goal posts demarcates the goal area. Thus, the objective is to send the ball or puck between the goal posts, under or over the crossbar, and across the goal line. Other sports may have other types of structures or areas where the ball or puck must pass through, such as the basketball hoop.
In a sport or game, sudden death is a form of competition where play ends as soon as one competitor is ahead of the others, with that competitor becoming the winner. Sudden death is typically used as a tiebreaker when a contest is tied at the end of regulation (normal) playing time or the completion of the normal playing task.
Sporting equipment, also called sporting goods, are the tools, materials, apparel, and gear used to compete in a sport and varies depending on the sport. The equipment ranges from balls, nets, and protective gear like helmets. Sporting equipment can be used as protective gear or a tool used to help the athletes play the sport. Over time, sporting equipment has evolved because sports have started to require more protective gear to prevent injuries. Sporting equipment may be found in any department store.
In sports, an ejection is the removal of a participant from a contest due to a violation of the sport's rules. The exact violations that lead to an ejection vary depending upon the sport, but common causes for ejection include unsportsmanlike conduct, violent acts against another participant that are beyond the sport's generally accepted standards for such acts, abuse against officials, violations of the sport's rules that the contest official deems to be egregious, or the use of an illegal substance to better a player's game. Most sports have provisions that allow players to be ejected, and many allow for the ejection of coaches, managers, or other non-playing personnel. In sports that use penalty cards, a red card is often used to signal dismissals.
Contact sports are sports that emphasize or require physical contact between players. Some sports, such as mixed martial arts, are scored on impacting an opponent, while others, including rugby football, gridiron football and Australian rules football, require tackling of players. These sports are often known as full-contact, as the sport cannot be undertaken without contact. Other sports have contact, but such events are illegal under the rules of the game or are accidental and do not form part of the sport.
In games and sports, a tiebreaker or tiebreak is used to determine a winner from among players or teams that are tied at the end of a contest, or a set of contests.
A pitch or a sports ground is an outdoor playing area for various sports. The term pitch is most commonly used in British English, while the comparable term in American and Canadian English is playing field or sports field.
Bat-and-ball games are field games played by two opposing teams, in which the action starts when the defending team throws a ball at a dedicated player of the attacking team, who tries to hit it with a bat and run between various safe areas in the field to score runs (points), while the defending team can use the ball in various ways against the attacking team's players to force them off the field, and thus prevent them from further scoring, when they are not in safe zones. The best known modern bat-and-ball games are cricket and baseball, with common roots in the 18th-century games played in England.
The following is an alphabetical list of terms and jargon used in relation to Gaelic games. See also list of Irish county nicknames
Passing is a common technique in sports that use balls and pucks. A pass consists of an intentional transfer of the ball from one player to another of the same team. Examples of sports that involve passing are association football, basketball, ice hockey, and American football. Certain games only allow backward passing, while others allow both. Of those that allow forward passing, some prohibit the receiver from being ahead of the pass at a certain point on the field, while other do not.
A hybrid sport is one which combines two or more sports in order to create a new sport, or to allow meaningful competition between players of those sports.
A net sport is a sport where a net is a standard part of the game, especially where the net separates the opponents. The object of these games is to hit the ball or bird over the net back to the opponent. Play typically begins with one side serving the ball/bird by initially tossing or releasing it and then hitting it over the net. This then starts a rally, in which the sides alternate hitting the ball/bird over the net. Players then score points whenever the opponent fails to return the ball/bird back over the net. The criteria on what is considered a valid return varies between each sport.
In sport, score is a quantitative measure of the relative performance of opponents in a sporting discipline. Score is usually measured in the abstract unit of points, and events in the competition can raise or lower the score of the involved parties. Most games with score use it as a quantitative indicator of success in the game, and in competition, a goal is often made of attaining a better score than one's opponents in order to win.
In sports, possession is physical control of the ball or other implement of play by one team, which typically gives that team the opportunity to score. Sports have different rules governing how possession is kept or lost, which affect the strategy of gameplay. The number of possessions or total time of possession are often useful statistics of team or individual performance.