buffer

buffer (http://definr.com/buffer)

     n 1: an ionic compound that resists changes in its pH
     2: an inclined metal frame at the front of a locomotive to
        clear the track [syn: fender, cowcatcher, pilot]
     3: (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 [syn: {buffer
        storage}, buffer store]
     4: a power tool used to buff surfaces [syn: polisher]
     5: a cushion-like device that reduces shock due to contact
        [syn: fender]
     6: an implement consisting of soft material mounted on a block;
        used for polishing (as in manicuring) [syn: buff]
     v 1: add a buffer to; of solutions; "buffered saline solution for
          the eyes"
     2: protect from impact; "cushion the blow" [syn: cushion, soften]