Vexillum /(?)/

Vex·il·lum

Vexillum

n.

pl. Vexilla

  1. A flag or standard. (Rom. Antiq.)
  2. A banner. (Eccl.)
  3. The upper petal of a papilionaceous flower; the standard. (Bot.)
  4. The rhachis and web of a feather taken together; the vane. (Zool.)