Vexillum
Pronunciation : Vex*il"lum
Part of Speech : n.;
Etymology : [L., a standard, a flag.]
Definition : 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.)
Defn: The upper petal of a papilionaceous flower; the standard.
4. (Zo?l.)
Defn: The rhachis and web of a feather taken together; the vane.
pl. Vexilla.
Source : Webster's Unabridged Dictionary, 1913