1. Of or pertaining to an ensign or standard.
2. (Bot.)
Defn: Of or pertaining to the vexillum, or upper petal of papilionaceous flowers. Vexilary æstivation (Bot.), a mode of æstivation in which one large upper petal folds over, and covers, the other smaller petals, as in most papilionaceous plants.
VEXILLARY
Vex"il*la*ry, n. Etym: [L. vexillarius: cf. F. vexillaire.]
Defn: A standard bearer. Tennyson.
VEXILLATION
Vex`il*la"tion, n. Etym: [L. vexillatio.] (Rom. Antiq.)
Defn: A company of troops under one vexillum.
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.