noun: a cushion-like device that reduces shock due to contact
noun: a power tool used to buff surfaces
noun: (computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system
noun: an ionic compound that resists changes in its pH
noun: an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)
noun: an inclined metal frame at the front of a locomotive to clear the track