Definitions for power play
Random House Webster's College Dictionary
Football. an aggressive running play in which numerous offensive players clear a path for the ballcarrier.
Category: Football, Baseball, and Basketball, Sport
Ice Hockey. a situation in which one team has a temporary numerical advantage because an opposing player or players are in the penalty box. the offensive strategy of the team having such an advantage.
Category: Sports and Games
a maneuver, as in business, in which advantage is sought through the use of power or influence.
Category: Common Vocabulary
Origin of power play:
power play, squeeze play, squeeze(noun)
an aggressive attempt to compel acquiescence by the concentration or manipulation of power
"she laughed at this sexual power play and walked away"
a play in which there is a concentration of players in one location on the field of play
"they used a power play to return the kickoff"
(ice hockey) a play in which one team has a numerical advantage over the other as a result of penalties
"the team was unable to capitalize on the power play"
In ice hockey, the situation where a team has a numerical advantage on the ice due to one or more penalties given to the opposing team.
A similar situation in other ball games such as lacrosse, indoor soccer, rugby and cricket.