1. wooden building blocks; wooden bricks; playing with building blocks
2. piled timber; piling up wood
Wikipedia definition
3. Toy blockToy blocks (also building bricks, building blocks, or simply blocks), are wooden, plastic or foam pieces of various shapes and colors that are used as building toys. Sometimes toy blocks depict letters of the alphabet.
Read “Toy block” on English Wikipedia
Read “積木” on Japanese Wikipedia
Read “Toy block” on DBpedia
Other forms
積木 【つみき】


to talk about this word.