a hollow masonry building unit of cement, terra cotta, etc.: a wall made of concrete blocks. one of a set of cube-shaped pieces of wood, plastic, or the like, used as a child's toy in building. a mold or piece on which something is shaped or kept in shape: a hat block.
Neutral powers during World War II. The neutral powers were countries that remained neutral during World War II. Some of these countries had large colonies abroad or had great economic power.
not taking part or giving assistance in a dispute or war between others: a neutral nation during World War II. 2. not aligned with or supporting any side or position in a controversy: The arbitrator was absolutely neutral. 3. of or belonging to a neutral state or party: neutral territory.