||Vex*il"lum (?), n.; pl.
Vexilla (#). [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.) The upper petal of a
papilionaceous flower; the standard.
4. (Zoöl.) The rhachis and web of a
feather taken together; the vane.