Available Definitions:
1) n. - Originally, a knight who led his vassals into the field under his own banner; -- commonly used as a title of rank.
2) n. - A title of rank, conferred for heroic deeds, and hence, an order of knighthood; also, the person bearing such title or rank.
3) n. - A civil officer in some Swiss cantons.
4) n. - A small banner.