vex·il·lar·y 
(vĕksə-lĕr′ē)
(vĕksə-lĕr′ē)n. pl. vex·il·lar·ies
1. A member of the oldest class of army veterans who served under a special standard in ancient Rome.
2. A standard-bearer.
adj.
Of or relating to a vexillum.
[Latin vexillārius, from vexillum, flag; see VEXILLUM.]