Vexillum

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vexillum

Origin: L, a standard, a flag.

1. A flag or standard. A company of troops serving under one standard.

2. A banner. The sign of the cross.

3. (Science: botany) The upper petal of a papilionaceous flower; the standard.

4. (Science: zoology) The rhachis and web of a feather taken together; the vane.