Definify.com
Webster 1913 Edition
Vexillum
‖
Vex-il′lum
,Noun.
pl.
Vexilla
(#)
. [L., a standard, a flag.]
1.
(Rom. Antiq.)
(a)
A flag or standard.
(b)
A company of troops serving under one standard.
2.
(Eccl.)
(a)
A banner.
(b)
The sign of the cross.
3.
(Bot.)
The upper petal of a papilionaceous flower; the standard.
4.
(Zool.)
The rhachis and web of a feather taken together; the vane.