📒 a thing or person that reduces a shock or protects somebody/something against difficulties
📒 one of two round metal devices on the front or end of a train, or at the end of a railway track, that reduce the shock if the train hits something
📒 an area in a computer’s memory where data can be stored for a short time
📒 an informal way of referring to an old man that shows that you do not respect him
📒 if a plan, somebody’s career, etc. hits the buffers, it suddenly stops being successful