2. (Bot.) 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.
Vex"il*la*ry (?), n. [L. vexillarius: cf. F. vexillaire.] A standard
bearer. Tennyson.
Vex`il*la"tion (?), n. [L. vexillatio.] (Rom. Antiq.) A company of
troops under one vexillum.
||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.