Definify.com
Webster 1913 Edition
Perpender
Per-pend′er
,Noun.
[F.
parpaing
, pierre parpaigne
; of uncertain origin.] (Masonry)
A large stone reaching through a wall so as to appear on both sides of it, and acting as a binder; – called also
perbend
, perpend stone
, and perpent stone
. Webster 1828 Edition
Perpender
PERPEND'ER
,Noun.