from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One that buffs, especially a piece of soft leather or cloth used to shine or polish.
  • n. A buffing wheel.
  • n. Something that lessens or absorbs the shock of an impact.
  • n. 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).
  • n. Something that separates potentially antagonistic entities, as an area between two rival powers that serves to lessen the danger of conflict.
  • n. Chemistry A substance that minimizes change in the acidity of a solution when an acid or base is added to the solution.
  • n. Computer Science A device or area used to store data temporarily.
  • transitive v. To act as a buffer for or between.
  • transitive v. Chemistry To treat (a solution) with a buffer.
  • transitive v. Computer Science To hold or collect (data) in a buffer.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Someone or something that buffs.
  • n. A solution used to stabilize the pH (acidity) of a liquid.
  • n. A portion of memory set aside to store data, often before it is sent to an external device or as it is received from an external device.
  • n. Anything used to maintain slack or isolate different objects.
  • n. A routine or storage medium used to compensate for a difference in rate of flow of data, or time of occurrence of events, when transferring data from one device to another.
  • n. A device on trains and carriages designed to cushion the impact between them.
  • n. The metal barrier to help prevent trains from running off the end of the track.
  • n. An isolating circuit, often an amplifier, used to minimize the influence of a driven circuit on the driving circuit.
  • n. A buffer zone (such as a demilitarized zone) or a buffer state.
  • n. A good-humoured, slow-witted fellow, usually an elderly man.
  • n. A gap that isolates or separates two things.
  • v. To use a buffer or buffers; to isolate or minimize the effects of one thing on another.
  • v. To store data in memory temporarily.
  • adj. comparative form of buff: more buff

from the GNU version of the Collaborative International Dictionary of English

  • n.
  • n. An elastic apparatus or fender, for deadening the jar caused by the collision of bodies.
  • n. A pad or cushion forming the end of a fender, which receives the blow; -- sometimes called buffing apparatus.
  • n. One who polishes with a buff.
  • n. A wheel for buffing; a buff.
  • n. A good-humored, slow-witted fellow; -- usually said of an elderly man.
  • n. a substance or mixture of substances which can absorb or neutralize a certain quantity of acid or base and thus keep the degree of acidity or alkalinity of a solution (as measured by pH) relatively stable. Sometimes the term is used in a medical context to mean antacid.
  • n. a data storage device or portion of memory used to temporarily store input or output data until the receiving device is ready to process it.
  • n. any object or person that shields another object or person from harm, shock, or annoyance.
  • transitive v. to add a buffer{5} to (a solution), so as to reduce unwanted fluctuation of acidity.

from The Century Dictionary and Cyclopedia

  • n. A person who killed sound horses in order to sell their hides.
  • n. Same as buff-wheel.
  • n. A stammerer.
  • n. A foolish fellow; a fellow; a duffer: a term expressive of extreme familiarity, and generally having a flavor of contempt.
  • n. A person who took pay to swear false oaths; a hired perjurer.
  • n. One who buffs or strikes; a hitter.
  • n. Any apparatus for deadening the concussion between a moving body and one against which it strikes.
  • n. Hence Anything which serves to deaden or neutralize the shock of opposing forces.
  • n.
  • n. One who buffs or polishes (knives, glass, cut precious stones, daguerreotype plates, woodwork, etc.)

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. (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
  • n. an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)
  • n. (chemistry) an ionic compound that resists changes in its pH
  • n. a neutral zone between two rival powers that is created in order to diminish the danger of conflict
  • v. protect from impact
  • n. a power tool used to buff surfaces
  • n. an inclined metal frame at the front of a locomotive to clear the track
  • n. a cushion-like device that reduces shock due to an impact
  • v. add a buffer (a solution)


from The American Heritage® Dictionary of the English Language, 4th Edition

Probably from obsolete buff, to make a sound like a soft body being hit, of imitative origin.

from Wiktionary, Creative Commons Attribution/Share-Alike License

buff +‎ -er This definition is lacking an etymology or has an incomplete etymology. You can help Wiktionary by giving it a proper etymology.


  • POSTdata: = "status =" status httpQUERY (buffer: = "", URL, POSTdata) msgbox \% buffer\%

    AutoHotkey Community

  • #get the buffer for the textView my $buffer = $textView - > get_buffer ();

    LXer Linux News

  • The expression buffer has been used and the head coaches I've spoken to don't want a buffer.

    Evening Standard - Home

  • The land around this camp became part of what they call the buffer zone for the reservoir, taken but not submerged.


  • But then he said that the military, once that mission was completed, would also, would withdraw from the towns, but would return to what he called buffer zones, presumably within the West Bank, from which, he said, they would prevent the renewal of terror attacks against Israeli cities.

    CNN Transcript Apr 8, 2002

  • This is part of what we call buffer capital these days because our expectation is that capital will be absorbed in light of what is happening with regulatory change. Home Page

  • And I think what the new element that we heard here, apart from this question of the time frame, which was always hovering as a problematic element over the last several days, the new element that we heard from Mr. Sharon was once the Israeli Army had completed its mission, as he said, within the Palestinian towns, then it would create what he called buffer zones and that this was a new, this is certainly a new development.

    CNN Transcript Apr 8, 2002

  • As Young crosses State Road 7 into Fort Lauderdale, where the buffer is set at a more friendly 1,400 feet, he glances back at his GPS system.

    Sex-Offender City

  • As for social engagements, there is 10-15 minutes in buffer room (unless happy-hour is on the line!)

    Dealing With The Tardiness Of Others | Lifehacker Australia

  • When taking pictures of the kids, I find it useful just to take snaps every time the buffer is ready.

    Take Better Pictures By Treating Your Still Camera Like It’s Video | Lifehacker Australia


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  • On The Riches this is the term the Travelers apply to well, everyone else.

    (There seems to be a bit of conflict on Wikipedia on how much of the words they use are real, though.)

    November 30, 2007

  • And those machines that shine up your linoleum.

    November 30, 2007

  • Okay, I learnt something... from the WeirdNet effect.

    Buffers are also impact absorbers, among other things.

    November 30, 2007