1.NounA component that is part of a larger construction, such as a brick or a stone.
A block made of wood or plastic that is used as a children's toy and can be stacked or joined to form a larger structure.
2.NounA block made of wood or plastic that is used as a children's toy and can be stacked or joined to form a larger structure.
3.NounA component that is an essential part of a larger system.
"Words are the building blocks of a language.; Cells are the building blocks of life."