Kindergarten n. : A school for young children, conducted on the theory that education should be begun by gratifying and cultivating the normal aptitude for exercise, play, observation, imitation, and construction; -- a name given by Friedrich Froebel, a German educator, who introduced this method of training, in rooms opening on a garden.

Example:
Is Kindergarten the most important learning experience in a child's life?

Taxonomy
kindergarten, pre-school, primary school, schools, teacher, years of age, full-day kindergarten, education, nursery, all-day kindergarten, first year, English, United States, junior kindergarten, senior kindergarten, parents, institutions, young children.

Defination from the web:
Kindergarten (help·info) (German, literally means "children's garden") is a form of education for young children which serves as a transition ... Children usually attend kindergarten any time between the ages of two and seven years, depending on the local custom. ...