Play groups are social gatherings of children, typically organized by parents or caregivers. They provide a safe and fun environment for children to interact with each other and learn important social skills. The two crossword solutions for the term 'play groups' are 'casts' and 'teams'. A cast is a group of people who come together to perform in a play or other theatrical production. Teams are groups of people who work together to achieve a common goal. Both casts and teams are examples of play groups, as they involve people coming together to work towards a shared purpose.