a long, tapering flag or burgee of distinctive form and special significance, borne on naval or other vessels and used in signaling or for identification.
2.
any relatively long, tapering flag.
3.
a flag serving as an emblem of victory or championship, especially in baseball.
1610s, "rope for hoisting," probably a blend of pendant in the nautical sense of "suspended rope" and pennon. Use for "flag on a warship" first recorded 1690s; "flag symbolizing a sports championship" (especially baseball) is from 1880; as a synonym for "championship" it was first used 1915.