Množina: throw-ins
1. An act or instance of throwing a ball in: as a throw made from the touchline in soccer to put the ball back in play after it has gone into touch; a throw from an outfielder to the infield in baseball; an inbounds pass in basketball
2. Something added as a bonus or supplement
3. Act or instance of throwing a ball in to put it into play.
To add as an extra or as a gratuity.