ˈ ̷ ̷ˌ ̷ ̷ noun
( -s )
Etymology: throw in
1. : an act or instance of throwing a ball in: as
a. : a throw made from the touchline in soccer to put the ball back in play after it has gone into touch
b. : a throw made by an outfielder in baseball to the infield
c. : a throw between the opposing ranks of players in polo with each team being on its own side of the line of the throw
d. : a throw made from outside the boundaries in basketball to put the ball back in play after it has gone out of bounds
2. : an end play in bridge in which an opponent is forced to win a trick at a time when he must next make a lead disadvantageous to his side