Definify.com
Webster 1913 Edition
Buffer
1.
(Mech.)
(a)
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(b)
A pad or cushion forming the end of a fender, which receives the blow; – sometimes called
buffing apparatus
. 2.
One who polishes with a buff.
3.
A wheel for buffing; a buff.
4.
A good-humored, slow-witted fellow; – usually said of an elderly man.
[Colloq.]
Dickens.