1. solid pieces of material, typically with flat surfaces
2. rectangular areas of a city bounded by streets
3. obstructions or barriers that prevent movement or progress

1. prevents or obstructs movement, progress, or action

Examples

• The children built a tower with wooden blocks.
• She walked three blocks to reach the store.
• The fallen tree blocks the road completely.
• Ice blocks were used to keep food cold.
• He lives two blocks away from school.
• The new law blocks companies from raising prices.
• Concrete blocks form the foundation of the building.