vekˈsiləm noun
( plural vexil·la -lə)
Etymology: Latin, probably from velum cloth, sail, veil — more at veil
1.
a. : a square flag hanging transversely by a wooden crosspiece from a spear and used especially by ancient Roman cavalry
b. : a processional standard, banner, or cross
2. : standard 16a
3.
[New Latin, from Latin]
: the web or vane of a feather
4. : a company of ancient Roman troops and especially of vexillaries serving under one standard