What is "vexilla"

Vexillum \Vex*il"lum\, n.; pl. Vexilla. [L., a standard, a flag.]

1. (Rom. Antiq.)

   1. A flag or standard.

   2. A company of troops serving under one standard.

2. (Eccl.)

   1. A banner.

   2. The sign of the cross.

3. (Bot.) The upper petal of a papilionaceous flower; the standard.

4. (Zo["o]l.) The rhachis and web of a feather taken together; the vane.

See vexillum

Vexilla is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.