VEXILLA

Noun

vexilla

plural of vexillum

Source: Wiktionary

VEXILLUM

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

1. (Rom. Antiq.) (a) A flag or standard. (b) A company of troops serving under one standard.

2. (Eccl.) (a) A banner. (b) The sign of the cross.

3. (Bot.)

Definition: The upper petal of a papilionaceous flower; the standard.

4. (Zoöl.)

Definition: The rhachis and web of a feather taken together; the vane.

Source: Webster’s Unabridged Dictionary 1913 Edition