■ noun
1》 a tapering flag on a ship, especially one flown at the masthead of a vessel in commission.
2》 a long triangular or swallow-tailed flag, especially as the military ensign of lancer regiments.
3》 N. Amer. a flag denoting a sports championship or identifying a team, club, etc.
4》 another term for pendant (in sense 4).
Origin
C17: blend of pendant and pennon .