tot lot n. (part of) a playground for very young children. (source: Double-Tongued Dictionary)
Further reading
In 1916, a small-town newspaper in Pennsylvania printed a fanciful item about a local gathering with a guest list that included, among others, Miss Ella Vader, Mr. Ray Zor, and other punny names. This is part of a complete episode. Transcript of...
In New York and northern New Jersey, a children’s playground slide was once commonly known as sliding pond or sliding pon. The terms reflect the considerable influence of Dutch settlement in that area, the Dutch word baan meaning a “path” and...