A minor-league team that is owned by a major-league team (especially in baseball) WordNet 3.0 & Open English WordNet

In sports, a farm team, farm system, feeder team, feeder club, or nursery club is generally a team or club whose role is to provide experience and training for young players, with an agreement that any successful players can move on to a higher level at a given point, usually in an association with a major-level parent team. Wikipedia

A team providing experience and training for young players Wikipedia Disambiguation

Sports club whose role is to provide experience and training for young players Wikidata