The Collaborative International Dictionary
Vexillation
Vexillation \Vex`il*la"tion\, n. [L. vexillatio.] (Rom. Antiq.) A company of troops under one vexillum.
Wiktionary
vexillation
n. A company of soldiers (especially in ancient Rome) grouped under the same flag.
Usage examples of "vexillation".
The vexillation from the V Victrix attacks the Severed Hand-Standard orcs, over here.