To promote, advocate, or act as a champion for (a cause, etc.).
Someone who fights for a cause or status.
An ongoing winner in a game or contest.
Someone who fights on another's behalf.
A particularly notable member of a plant species, such as one of great size.
Someone who is chosen to represent a group of people in a contest.
Acting as a champion; having defeated all one's competitors.
Excellent; brilliant; superb; deserving of high praise.
Excellent; beyond compare.
To act as a flagship for.
The most important one out of a related group.
The ship occupied by the fleet's commander (usually an admiral); it denotes this by flying his flag.
The ship regarded as most important out of a group, e.g. a nation's navy or company's fleet.