A machine with rotary brushes, passed over a hard floor to clean it. / A machine for polishing shoes and boots.

Comparative form of buff: more buff.

(chemistry) A solution used to stabilize the pH (acidity) of a liquid.

To use a buffer or buffers; to isolate or minimize the effects of one thing on another. / (computing) To store data in memory temporarily.

(colloquial) A good-humoured, slow-witted fellow, usually an elderly man.

simple past tense and past participle of buffer

Using a buffer. / (chemistry) Dissolved in a buffer solution.

present participle of buffer

Capable of being buffered.

(transitive, computing, nonstandard) To buffer; to store in a buffer.