Definify.com
Webster 1913 Edition
Tailing
Tail′ing
,Noun.
1.
(Arch.)
The part of a projecting stone or brick inserted in a wall.
Gwilt.
3.
Sexual intercourse.
[Obs.]
Chaucer.
4.
pl.
The lighter parts of grain separated from the seed threshing and winnowing; chaff.
5.
pl.
(Mining)
The refuse part of stamped ore, thrown behind the tail of the buddle or washing apparatus. It is dressed over again to secure whatever metal may exist in it. Called also
tails
. Pryce.