playgroup

/ˈpleɪˌɡruːp/
noun
  1. A regular gathering of young children and their parents or caregivers for supervised play and social activities.
    • She takes her two-year-old to a playgroup every Tuesday morning.
    • Joining a playgroup helped my son make friends before starting preschool.
    • The playgroup meets at the community center and does arts and crafts.