An elastic apparatus or fender, for deadening the jar caused by the collision of bodies; as, a buffer at the end of a railroad car.
- One that buffs, especially a piece of soft leather or cloth used to shine or polish.
- A buffing wheel.
- Something that lessens or absorbs the shock of an impact.
- One that protects by intercepting or moderating adverse pressures or influences: "A sense of humor . . . may have served as a buffer against the . . . shocks of disappointment” ( James Russell Lowell).
- Something that separates potentially antagonistic entities, as an area between two rival powers that serves to lessen the danger of conflict.
- Chemistry A substance that minimizes change in the acidity of a solution when an acid or base is added to the solution.
- Computer Science A device or area used to store data temporarily.
- To act as a buffer for or between.
- Chemistry To treat (a solution) with a buffer.
- Computer Science To hold or collect (data) in a buffer.