training ground

English

Noun

training ground (plural training grounds)

1. (sports, military) A place or ground used for training.
2. (by extension) A workplace which provides training for employees.
   • 1961 December, “Talking of Trains: Staff training”, in Trains Illustrated, page 712:

     These practical training grounds would be much reduced in the future and other means must be found to ensure that drivers and top-grade signalmen had a proper background of experience.

References

• “training ground”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.